20110012111210 has 32 divisors (see below), whose sum is σ = 42795690802560. Its totient is φ = 6657107456832.

The previous prime is 20110012111199. The next prime is 20110012111289. The reversal of 20110012111210 is 1211121001102.

It is a happy number.

It is a super-2 number, since 2×20110012111210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4953202924 + ... + 4953206983.

It is an arithmetic number, because the mean of its divisors is an integer number (1337365337580).

Almost surely, 2^{20110012111210} is an apocalyptic number.

20110012111210 is an abundant number, since it is smaller than the sum of its proper divisors (22685678691350).

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

20110012111210 is a wasteful number, since it uses less digits than its factorization.

20110012111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9906409950.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20110012111210 its reverse (1211121001102), we get a palindrome (21321133112312).

The spelling of 20110012111210 in words is "twenty trillion, one hundred ten billion, twelve million, one hundred eleven thousand, two hundred ten".