121202111231112 has 64 divisors (see below), whose sum is σ = 327573273643200. Its totient is φ = 37239908993280.

The previous prime is 121202111231101. The next prime is 121202111231167. The reversal of 121202111231112 is 211132111202121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591795339 + ... + 3591829082.

It is an arithmetic number, because the mean of its divisors is an integer number (5118332400675).

Almost surely, 2^{121202111231112} is an apocalyptic number.

121202111231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121202111231112 is an abundant number, since it is smaller than the sum of its proper divisors (206371162412088).

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

121202111231112 is a wasteful number, since it uses less digits than its factorization.

121202111231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183624486 (or 7183624482 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 121202111231112 its reverse (211132111202121), we get a palindrome (332334222433233).

The spelling of 121202111231112 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred eleven million, two hundred thirty-one thousand, one hundred twelve".