111122022000 has 160 divisors (see below), whose sum is σ = 390826485504. Its totient is φ = 26938656000.

The previous prime is 111122021929. The next prime is 111122022017. The reversal of 111122022000 is 220221111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775834 + ... + 907833.

Almost surely, 2^111122022000 is an apocalyptic number.

111122022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122022000 is an abundant number, since it is smaller than the sum of its proper divisors (279704463504).

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

111122022000 is a wasteful number, since it uses less digits than its factorization.

111122022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683704 (or 1683688 counting only the distinct ones).

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

Adding to 111122022000 its reverse (220221111), we get a palindrome (111342243111).

The spelling of 111122022000 in words is "one hundred eleven billion, one hundred twenty-two million, twenty-two thousand".