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121102121022 = 2339750840521
BaseRepresentation
bin111000011001000111…
…1111011100000111110
3102120120211000011022120
41300302033323200332
53441004120333042
6131344502423410
711515011021141
oct1606217734076
9376524004276
10121102121022
11473a4a98a43
121b578a31b66
13b55c62b59c
145c0b878058
15323bb09dec
hex1c323fb83e

121102121022 has 16 divisors (see below), whose sum is σ = 242814333072. Its totient is φ = 40265691840.

The previous prime is 121102120999. The next prime is 121102121033. The reversal of 121102121022 is 220121201121.

It is a junction number, because it is equal to n+sod(n) for n = 121102120992 and 121102121010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25417879 + ... + 25422642.

It is an arithmetic number, because the mean of its divisors is an integer number (15175895817).

Almost surely, 2121102121022 is an apocalyptic number.

121102121022 is an abundant number, since it is smaller than the sum of its proper divisors (121712212050).

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

121102121022 is a wasteful number, since it uses less digits than its factorization.

121102121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50840923.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121102121022 its reverse (220121201121), we get a palindrome (341223322143).

The spelling of 121102121022 in words is "one hundred twenty-one billion, one hundred two million, one hundred twenty-one thousand, twenty-two".

Divisors: 1 2 3 6 397 794 1191 2382 50840521 101681042 152521563 305043126 20183686837 40367373674 60551060511 121102121022