111402412122 has 32 divisors (see below), whose sum is σ = 236186451072. Its totient is φ = 34908967424.

The previous prime is 111402412073. The next prime is 111402412127. The reversal of 111402412122 is 221214204111.

It is not an unprimeable number, because it can be changed into a prime (111402412127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549798 + ... + 724625.

It is an arithmetic number, because the mean of its divisors is an integer number (7380826596).

Almost surely, 2^111402412122 is an apocalyptic number.

111402412122 is an abundant number, since it is smaller than the sum of its proper divisors (124784038950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111402412122 is a wasteful number, since it uses less digits than its factorization.

111402412122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275302.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111402412122 its reverse (221214204111), we get a palindrome (332616616233).

The spelling of 111402412122 in words is "one hundred eleven billion, four hundred two million, four hundred twelve thousand, one hundred twenty-two".