2111320103312 has 80 divisors (see below), whose sum is σ = 4760403648000. Its totient is φ = 888461084160.

The previous prime is 2111320103309. The next prime is 2111320103411. The reversal of 2111320103312 is 2133010231112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942314 + ... + 2260662.

It is an arithmetic number, because the mean of its divisors is an integer number (59505045600).

Almost surely, 2^{2111320103312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111320103312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2380201824000).

2111320103312 is an abundant number, since it is smaller than the sum of its proper divisors (2649083544688).

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

2111320103312 is a wasteful number, since it uses less digits than its factorization.

2111320103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318624 (or 1318618 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2111320103312 its reverse (2133010231112), we get a palindrome (4244330334424).

The spelling of 2111320103312 in words is "two trillion, one hundred eleven billion, three hundred twenty million, one hundred three thousand, three hundred twelve".