2211103123112 has 64 divisors (see below), whose sum is σ = 4575717216000. Its totient is φ = 995451335424.

The previous prime is 2211103123087. The next prime is 2211103123123. The reversal of 2211103123112 is 2113213011122.

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, 939287 + ... + 2303142.

It is an arithmetic number, because the mean of its divisors is an integer number (71495581500).

Almost surely, 2^{2211103123112} is an apocalyptic number.

It is an amenable number.

2211103123112 is an abundant number, since it is smaller than the sum of its proper divisors (2364614092888).

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

2211103123112 is a wasteful number, since it uses less digits than its factorization.

2211103123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242610 (or 3242606 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2211103123112 its reverse (2113213011122), we get a palindrome (4324316134234).

The spelling of 2211103123112 in words is "two trillion, two hundred eleven billion, one hundred three million, one hundred twenty-three thousand, one hundred twelve".