111022011042 has 16 divisors (see below), whose sum is σ = 222538557600. Its totient is φ = 36924914432.

The previous prime is 111022011017. The next prime is 111022011043. The reversal of 111022011042 is 240110220111.

It is not an unprimeable number, because it can be changed into a prime (111022011043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20602728 + ... + 20608115.

It is an arithmetic number, because the mean of its divisors is an integer number (13908659850).

Almost surely, 2^111022011042 is an apocalyptic number.

111022011042 is an abundant number, since it is smaller than the sum of its proper divisors (111516546558).

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

111022011042 is a wasteful number, since it uses less digits than its factorization.

111022011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41211297.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111022011042 its reverse (240110220111), we get a palindrome (351132231153).

The spelling of 111022011042 in words is "one hundred eleven billion, twenty-two million, eleven thousand, forty-two".