212202022111112 has 64 divisors (see below), whose sum is σ = 442602910488960. Its totient is φ = 94573270656000.

The previous prime is 212202022111021. The next prime is 212202022111129. The reversal of 212202022111112 is 211111220202212.

It is a super-2 number, since 2×212202022111112² (a number of 29 digits) contains 22 as substring.

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, 114983153 + ... + 116814080.

It is an arithmetic number, because the mean of its divisors is an integer number (6915670476390).

Almost surely, 2^{212202022111112} is an apocalyptic number.

212202022111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212202022111112 is an abundant number, since it is smaller than the sum of its proper divisors (230400888377848).

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

212202022111112 is a wasteful number, since it uses less digits than its factorization.

212202022111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231797454 (or 231797450 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212202022111112 its reverse (211111220202212), we get a palindrome (423313242313324).

The spelling of 212202022111112 in words is "two hundred twelve trillion, two hundred two billion, twenty-two million, one hundred eleven thousand, one hundred twelve".