11312001100 has 18 divisors (see below), whose sum is σ = 24547042604. Its totient is φ = 4524800400.

The previous prime is 11312001097. The next prime is 11312001121. The reversal of 11312001100 is 110021311.

It is a super-2 number, since 2×11312001100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 56559906 + ... + 56560105.

Almost surely, 2^11312001100 is an apocalyptic number.

11312001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11312001100 is an abundant number, since it is smaller than the sum of its proper divisors (13235041504).

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

11312001100 is a wasteful number, since it uses less digits than its factorization.

11312001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113120025 (or 113120018 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11312001100 its reverse (110021311), we get a palindrome (11422022411).

The spelling of 11312001100 in words is "eleven billion, three hundred twelve million, one thousand, one hundred".