20111130122210 has 16 divisors (see below), whose sum is σ = 36225051546816. Its totient is φ = 8038892642928.

The previous prime is 20111130122191. The next prime is 20111130122249. The reversal of 20111130122210 is 1222103111102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694910552 + ... + 694939491.

It is an arithmetic number, because the mean of its divisors is an integer number (2264065721676).

Almost surely, 2^{20111130122210} is an apocalyptic number.

20111130122210 is a deficient number, since it is larger than the sum of its proper divisors (16113921424606).

20111130122210 is a wasteful number, since it uses less digits than its factorization.

20111130122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389851497.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 20111130122210 its reverse (1222103111102), we get a palindrome (21333233233312).

The spelling of 20111130122210 in words is "twenty trillion, one hundred eleven billion, one hundred thirty million, one hundred twenty-two thousand, two hundred ten".