2311013421200 has 120 divisors (see below), whose sum is σ = 6320302278336. Its totient is φ = 803830720000.

The previous prime is 2311013421193. The next prime is 2311013421203. The reversal of 2311013421200 is 21243101132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2311013421203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11316851 + ... + 11519250.

Almost surely, 2^{2311013421200} is an apocalyptic number.

2311013421200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311013421200 is an abundant number, since it is smaller than the sum of its proper divisors (4009288857136).

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

2311013421200 is a wasteful number, since it uses less digits than its factorization.

2311013421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22836153 (or 22836142 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2311013421200 its reverse (21243101132), we get a palindrome (2332256522332).

The spelling of 2311013421200 in words is "two trillion, three hundred eleven billion, thirteen million, four hundred twenty-one thousand, two hundred".