10021012111100 has 36 divisors (see below), whose sum is σ = 22114165722600. Its totient is φ = 3940465776960.

The previous prime is 10021012111093. The next prime is 10021012111139. The reversal of 10021012111100 is 111121012001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 849232415 + ... + 849244214.

Almost surely, 2^{10021012111100} is an apocalyptic number.

10021012111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021012111100 is an abundant number, since it is smaller than the sum of its proper divisors (12093153611500).

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

10021012111100 is a wasteful number, since it uses less digits than its factorization.

10021012111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698476702 (or 1698476695 counting only the distinct ones).

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

Adding to 10021012111100 its reverse (111121012001), we get a palindrome (10132133123101).

The spelling of 10021012111100 in words is "ten trillion, twenty-one billion, twelve million, one hundred eleven thousand, one hundred".