202111100020112 has 30 divisors (see below), whose sum is σ = 413285007341718. Its totient is φ = 95736836848896.

The previous prime is 202111100020091. The next prime is 202111100020117. The reversal of 202111100020112 is 211020001111202.

It can be written as a sum of positive squares in only one way, i.e., 128929302927616 + 73181797092496 = 11354704^2 + 8554636^2 .

It is not an unprimeable number, because it can be changed into a prime (202111100020117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17495761193 + ... + 17495772744.

Almost surely, 2^{202111100020112} is an apocalyptic number.

It is an amenable number.

202111100020112 is an abundant number, since it is smaller than the sum of its proper divisors (211173907321606).

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

202111100020112 is a wasteful number, since it uses less digits than its factorization.

202111100020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34991533983 (or 34991533958 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202111100020112 its reverse (211020001111202), we get a palindrome (413131101131314).

The spelling of 202111100020112 in words is "two hundred two trillion, one hundred eleven billion, one hundred million, twenty thousand, one hundred twelve".