2122221110112 has 96 divisors (see below), whose sum is σ = 6190068981600. Its totient is φ = 707377618944.

The previous prime is 2122221110101. The next prime is 2122221110123. The reversal of 2122221110112 is 2110111222212.

It is an interprime number because it is at equal distance from previous prime (2122221110101) and next prime (2122221110123).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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, 33437064 + ... + 33500472.

It is an arithmetic number, because the mean of its divisors is an integer number (64479885225).

Almost surely, 2^{2122221110112} is an apocalyptic number.

It is an amenable number.

2122221110112 is an abundant number, since it is smaller than the sum of its proper divisors (4067847871488).

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

2122221110112 is a wasteful number, since it uses less digits than its factorization.

2122221110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102165 (or 102151 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2122221110112 its reverse (2110111222212), we get a palindrome (4232332332324).

The spelling of 2122221110112 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, one hundred twelve".