31110012021122 has 32 divisors (see below), whose sum is σ = 49048053842304. Its totient is φ = 14780445926400.

The previous prime is 31110012021113. The next prime is 31110012021169. The reversal of 31110012021122 is 22112021001113.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31110012021122.

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, 20889122 + ... + 22328802.

It is an arithmetic number, because the mean of its divisors is an integer number (1532751682572).

Almost surely, 2^{31110012021122} is an apocalyptic number.

31110012021122 is a deficient number, since it is larger than the sum of its proper divisors (17938041821182).

31110012021122 is a wasteful number, since it uses less digits than its factorization.

31110012021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446554.

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

Adding to 31110012021122 its reverse (22112021001113), we get a palindrome (53222033022235).

The spelling of 31110012021122 in words is "thirty-one trillion, one hundred ten billion, twelve million, twenty-one thousand, one hundred twenty-two".