2211100231312 has 40 divisors (see below), whose sum is σ = 4898711587392. Its totient is φ = 947091043200.

The previous prime is 2211100231297. The next prime is 2211100231321. The reversal of 2211100231312 is 2131320011122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211100231312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5247739 + ... + 5653402.

Almost surely, 2^{2211100231312} is an apocalyptic number.

It is an amenable number.

2211100231312 is an abundant number, since it is smaller than the sum of its proper divisors (2687611356080).

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

2211100231312 is a wasteful number, since it uses less digits than its factorization.

2211100231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10902967 (or 10902961 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2211100231312 its reverse (2131320011122), we get a palindrome (4342420242434).

The spelling of 2211100231312 in words is "two trillion, two hundred eleven billion, one hundred million, two hundred thirty-one thousand, three hundred twelve".