10012111100 has 18 divisors (see below), whose sum is σ = 21726281304. Its totient is φ = 4004844400.

The previous prime is 10012111093. The next prime is 10012111129. The reversal of 10012111100 is 111121001.

It is a happy number.

It is a congruent number.

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, 50060456 + ... + 50060655.

It is an arithmetic number, because the mean of its divisors is an integer number (1207015628).

Almost surely, 2^10012111100 is an apocalyptic number.

10012111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012111100 is an abundant number, since it is smaller than the sum of its proper divisors (11714170204).

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

10012111100 is a wasteful number, since it uses less digits than its factorization.

10012111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100121125 (or 100121118 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10012111100 its reverse (111121001), we get a palindrome (10123232101).

Subtracting from 10012111100 its reverse (111121001), we obtain a palindrome (9900990099).

The spelling of 10012111100 in words is "ten billion, twelve million, one hundred eleven thousand, one hundred".