111422121123 has 32 divisors (see below), whose sum is σ = 162582652224. Its totient is φ = 67588964352.

The previous prime is 111422121077. The next prime is 111422121131. The reversal of 111422121123 is 321121224111.

It is not a de Polignac number, because 111422121123 - 2⁹ = 111422120611 is a prime.

It is a super-2 number, since 2×111422121123² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111422121123.

It is not an unprimeable number, because it can be changed into a prime (111422121193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108211 + ... + 484307.

It is an arithmetic number, because the mean of its divisors is an integer number (5080707882).

Almost surely, 2^111422121123 is an apocalyptic number.

111422121123 is a deficient number, since it is larger than the sum of its proper divisors (51160531101).

111422121123 is a wasteful number, since it uses less digits than its factorization.

111422121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376311.

The product of its digits is 192, while the sum is 21.

Adding to 111422121123 its reverse (321121224111), we get a palindrome (432543345234).

The spelling of 111422121123 in words is "one hundred eleven billion, four hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-three".