2231311212200 has 48 divisors (see below), whose sum is σ = 5928912653280. Its totient is φ = 765020986560.

The previous prime is 2231311212157. The next prime is 2231311212217. The reversal of 2231311212200 is 22121131322.

It is a super-3 number, since 3×2231311212200³ (a number of 38 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796895462 + ... + 796898261.

It is an arithmetic number, because the mean of its divisors is an integer number (123519013610).

Almost surely, 2^{2231311212200} is an apocalyptic number.

2231311212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231311212200 is an abundant number, since it is smaller than the sum of its proper divisors (3697601441080).

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

2231311212200 is a wasteful number, since it uses less digits than its factorization.

2231311212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593793746 (or 1593793737 counting only the distinct ones).

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

Adding to 2231311212200 its reverse (22121131322), we get a palindrome (2253432343522).

The spelling of 2231311212200 in words is "two trillion, two hundred thirty-one billion, three hundred eleven million, two hundred twelve thousand, two hundred".