10001211100 has 18 divisors (see below), whose sum is σ = 21702628304. Its totient is φ = 4000484400.

The previous prime is 10001211097. The next prime is 10001211131. The reversal of 10001211100 is 111210001.

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, 50005956 + ... + 50006155.

Almost surely, 2^10001211100 is an apocalyptic number.

10001211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001211100 is an abundant number, since it is smaller than the sum of its proper divisors (11701417204).

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

10001211100 is a wasteful number, since it uses less digits than its factorization.

10001211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100012125 (or 100012118 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10001211100 its reverse (111210001), we get a palindrome (10112421101).

The spelling of 10001211100 in words is "ten billion, one million, two hundred eleven thousand, one hundred".