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121021013210022 = 23263155311926439
BaseRepresentation
bin11011100001000101100110…
…100000001011001110100110
3120212111111101111021010112100
4123201011212200023032212
5111330302013340210042
61105220141433232530
734330323345240162
oct3341054640131646
9525444344233470
10121021013210022
11356197a5a44882
12116a6824562746
13526b303c83ca3
1421c563c187ca2
15ded07aa7824c
hex6e116680b3a6

121021013210022 has 48 divisors (see below), whose sum is σ = 262675364739840. Its totient is φ = 40269104089200.

The previous prime is 121021013210021. The next prime is 121021013210039. The reversal of 121021013210022 is 220012310120121.

121021013210022 is a `hidden beast` number, since 1 + 210 + 210 + 13 + 210 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121021013209977 and 121021013210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021013210021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61857879 + ... + 63784317.

It is an arithmetic number, because the mean of its divisors is an integer number (5472403432080).

Almost surely, 2121021013210022 is an apocalyptic number.

121021013210022 is an abundant number, since it is smaller than the sum of its proper divisors (141654351529818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121021013210022 is a wasteful number, since it uses less digits than its factorization.

121021013210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932609 (or 1932606 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121021013210022 its reverse (220012310120121), we get a palindrome (341033323330143).

The spelling of 121021013210022 in words is "one hundred twenty-one trillion, twenty-one billion, thirteen million, two hundred ten thousand, twenty-two".

Divisors: 1 2 3 6 9 18 631 1262 1893 3786 5531 5679 11062 11358 16593 33186 49779 99558 1926439 3490061 3852878 5779317 6980122 10470183 11558634 17337951 20940366 31410549 34675902 62821098 1215583009 2431166018 3646749027 7293498054 10655134109 10940247081 21310268218 21880494162 31965402327 63930804654 95896206981 191792413962 6723389622779 13446779245558 20170168868337 40340337736674 60510506605011 121021013210022