121112022111010 has 32 divisors (see below), whose sum is σ = 250937139358080. Its totient is φ = 41225387173632.

The previous prime is 121112022111007. The next prime is 121112022111023. The reversal of 121112022111010 is 10111220211121.

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, 6223629639 + ... + 6223649098.

It is an arithmetic number, because the mean of its divisors is an integer number (7841785604940).

Almost surely, 2^{121112022111010} is an apocalyptic number.

121112022111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112022111010 is an abundant number, since it is smaller than the sum of its proper divisors (129825117247070).

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

121112022111010 is a wasteful number, since it uses less digits than its factorization.

121112022111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12447278890.

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

Adding to 121112022111010 its reverse (10111220211121), we get a palindrome (131223242322131).

The spelling of 121112022111010 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-two million, one hundred eleven thousand, ten".