201112210112012 has 6 divisors (see below), whose sum is σ = 351946367696028. Its totient is φ = 100556105056004.

The previous prime is 201112210111921. The next prime is 201112210112017. The reversal of 201112210112012 is 210211012211102.

It is a super-2 number, since 2×201112210112012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201112210112017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25139026263998 + ... + 25139026264005.

It is an arithmetic number, because the mean of its divisors is an integer number (58657727949338).

Almost surely, 2^{201112210112012} is an apocalyptic number.

It is an amenable number.

201112210112012 is a deficient number, since it is larger than the sum of its proper divisors (150834157584016).

201112210112012 is a wasteful number, since it uses less digits than its factorization.

201112210112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50278052528007 (or 50278052528005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201112210112012 its reverse (210211012211102), we get a palindrome (411323222323114).

The spelling of 201112210112012 in words is "two hundred one trillion, one hundred twelve billion, two hundred ten million, one hundred twelve thousand, twelve".