111001220022 has 64 divisors (see below), whose sum is σ = 276854054400. Its totient is φ = 28824007680.

The previous prime is 111001220021. The next prime is 111001220047. The reversal of 111001220022 is 220022100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001220021) 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, 1878504 + ... + 1936692.

It is an arithmetic number, because the mean of its divisors is an integer number (4325844600).

Almost surely, 2^111001220022 is an apocalyptic number.

111001220022 is an abundant number, since it is smaller than the sum of its proper divisors (165852834378).

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

111001220022 is a wasteful number, since it uses less digits than its factorization.

111001220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62341.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111001220022 its reverse (220022100111), we get a palindrome (331023320133).

The spelling of 111001220022 in words is "one hundred eleven billion, one million, two hundred twenty thousand, twenty-two".