111012022021100 has 18 divisors (see below), whose sum is σ = 240896087786004. Its totient is φ = 44404808808400.

The previous prime is 111012022021091. The next prime is 111012022021129. The reversal of 111012022021100 is 1120220210111.

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 5 ways as a sum of consecutive naturals, for example, 555060110006 + ... + 555060110205.

Almost surely, 2^{111012022021100} is an apocalyptic number.

111012022021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012022021100 is an abundant number, since it is smaller than the sum of its proper divisors (129884065764904).

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

111012022021100 is a wasteful number, since it uses less digits than its factorization.

111012022021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110120220225 (or 1110120220218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111012022021100 its reverse (1120220210111), we get a palindrome (112132242231211).

The spelling of 111012022021100 in words is "one hundred eleven trillion, twelve billion, twenty-two million, twenty-one thousand, one hundred".