121122212022112 has 48 divisors (see below), whose sum is σ = 278323380840960. Its totient is φ = 50805061573248.

The previous prime is 121122212022067. The next prime is 121122212022113. The reversal of 121122212022112 is 211220212221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122212022113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5752374162 + ... + 5752395217.

It is an arithmetic number, because the mean of its divisors is an integer number (5798403767520).

Almost surely, 2^{121122212022112} is an apocalyptic number.

It is an amenable number.

121122212022112 is an abundant number, since it is smaller than the sum of its proper divisors (157201168818848).

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

121122212022112 is a wasteful number, since it uses less digits than its factorization.

121122212022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504769443 (or 11504769435 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121122212022112 its reverse (211220212221121), we get a palindrome (332342424243233).

The spelling of 121122212022112 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred twelve million, twenty-two thousand, one hundred twelve".