111121101012122 has 32 divisors (see below), whose sum is σ = 175560010113600. Its totient is φ = 52604621942400.

The previous prime is 111121101012109. The next prime is 111121101012161. The reversal of 111121101012122 is 221210101121111.

It is a self number, because there is not a number n which added to its sum of digits gives 111121101012122.

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, 2584851404 + ... + 2584894392.

It is an arithmetic number, because the mean of its divisors is an integer number (5486250316050).

Almost surely, 2^{111121101012122} is an apocalyptic number.

111121101012122 is a deficient number, since it is larger than the sum of its proper divisors (64438909101478).

111121101012122 is a wasteful number, since it uses less digits than its factorization.

111121101012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82382.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111121101012122 its reverse (221210101121111), we get a palindrome (332331202133233).

The spelling of 111121101012122 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred one million, twelve thousand, one hundred twenty-two".