121022331111012 has 24 divisors (see below), whose sum is σ = 282388623659296. Its totient is φ = 40340322122688.

The previous prime is 121022331110971. The next prime is 121022331111023. The reversal of 121022331111012 is 210111133220121.

It is a self number, because there is not a number n which added to its sum of digits gives 121022331111012.

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, 55754953 + ... + 57884880.

Almost surely, 2^{121022331111012} is an apocalyptic number.

121022331111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121022331111012 is an abundant number, since it is smaller than the sum of its proper divisors (161366292548284).

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

121022331111012 is a wasteful number, since it uses less digits than its factorization.

121022331111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113728587 (or 113728585 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121022331111012 its reverse (210111133220121), we get a palindrome (331133464331133).

The spelling of 121022331111012 in words is "one hundred twenty-one trillion, twenty-two billion, three hundred thirty-one million, one hundred eleven thousand, twelve".