111210000012122 has 16 divisors (see below), whose sum is σ = 183308321192832. Its totient is φ = 50181021901920.

The previous prime is 111210000012101. The next prime is 111210000012197. The reversal of 111210000012122 is 221210000012111.

It is a junction number, because it is equal to n+sod(n) for n = 111210000012097 and 111210000012106.

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, 18448902098 + ... + 18448908125.

It is an arithmetic number, because the mean of its divisors is an integer number (11456770074552).

Almost surely, 2^{111210000012122} is an apocalyptic number.

111210000012122 is a deficient number, since it is larger than the sum of its proper divisors (72098321180710).

111210000012122 is a wasteful number, since it uses less digits than its factorization.

111210000012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36897810373.

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

Adding to 111210000012122 its reverse (221210000012111), we get a palindrome (332420000024233).

The spelling of 111210000012122 in words is "one hundred eleven trillion, two hundred ten billion, twelve thousand, one hundred twenty-two".