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121011200022 = 2343997470447
BaseRepresentation
bin111000010110011010…
…1000110000000010110
3102120100110220220011010
41300230311012000112
53440312331400042
6131331453553050
711512525141266
oct1605465060026
9376313826133
10121011200022
1147358738719
121b5524a5786
13b54684638b
145bdd76b7a6
153233b4a59c
hex1c2cd46016

121011200022 has 32 divisors (see below), whose sum is σ = 247899750912. Its totient is φ = 39359394144.

The previous prime is 121011199999. The next prime is 121011200027. The reversal of 121011200022 is 220002110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011199980 and 121011200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011200027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22003 + ... + 492449.

It is an arithmetic number, because the mean of its divisors is an integer number (7746867216).

Almost surely, 2121011200022 is an apocalyptic number.

121011200022 is an abundant number, since it is smaller than the sum of its proper divisors (126888550890).

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

121011200022 is a wasteful number, since it uses less digits than its factorization.

121011200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471492.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121011200022 its reverse (220002110121), we get a palindrome (341013310143).

The spelling of 121011200022 in words is "one hundred twenty-one billion, eleven million, two hundred thousand, twenty-two".

Divisors: 1 2 3 6 43 86 129 258 997 1994 2991 5982 42871 85742 128613 257226 470447 940894 1411341 2822682 20229221 40458442 60687663 121375326 469035659 938071318 1407106977 2814213954 20168533337 40337066674 60505600011 121011200022