11311203332100 has 144 divisors (see below), whose sum is σ = 38314632456576. Its totient is φ = 2522358912000.

The previous prime is 11311203332041. The next prime is 11311203332153. The reversal of 11311203332100 is 123330211311.

It is a happy number.

It is a super-2 number, since 2×11311203332100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65600331 + ... + 65772530.

It is an arithmetic number, because the mean of its divisors is an integer number (266073836504).

Almost surely, 2^{11311203332100} is an apocalyptic number.

11311203332100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311203332100 is an abundant number, since it is smaller than the sum of its proper divisors (27003429124476).

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

11311203332100 is a wasteful number, since it uses less digits than its factorization.

11311203332100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131372926 (or 131372919 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11311203332100 its reverse (123330211311), we get a palindrome (11434533543411).

The spelling of 11311203332100 in words is "eleven trillion, three hundred eleven billion, two hundred three million, three hundred thirty-two thousand, one hundred".