10020111121100 has 18 divisors (see below), whose sum is σ = 21743641133004. Its totient is φ = 4008044448400.

The previous prime is 10020111121081. The next prime is 10020111121159. The reversal of 10020111121100 is 112111102001.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50100555506 + ... + 50100555705.

Almost surely, 2^{10020111121100} is an apocalyptic number.

10020111121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020111121100 is an abundant number, since it is smaller than the sum of its proper divisors (11723530011904).

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

10020111121100 is a wasteful number, since it uses less digits than its factorization.

10020111121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100201111225 (or 100201111218 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10020111121100 its reverse (112111102001), we get a palindrome (10132222223101).

The spelling of 10020111121100 in words is "ten trillion, twenty billion, one hundred eleven million, one hundred twenty-one thousand, one hundred".