2211103323312 has 160 divisors (see below), whose sum is σ = 6226223371200. Its totient is φ = 672094617600.

The previous prime is 2211103323301. The next prime is 2211103323329. The reversal of 2211103323312 is 2133233011122.

It is a super-2 number, since 2×2211103323312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28258708 + ... + 28336844.

It is an arithmetic number, because the mean of its divisors is an integer number (38913896070).

Almost surely, 2^{2211103323312} 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 2211103323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3113111685600).

2211103323312 is an abundant number, since it is smaller than the sum of its proper divisors (4015120047888).

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

2211103323312 is a wasteful number, since it uses less digits than its factorization.

2211103323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78711 (or 78705 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2211103323312 its reverse (2133233011122), we get a palindrome (4344336334434).

The spelling of 2211103323312 in words is "two trillion, two hundred eleven billion, one hundred three million, three hundred twenty-three thousand, three hundred twelve".