2220112121022 has 12 divisors (see below), whose sum is σ = 4810242928920. Its totient is φ = 740037373668.

The previous prime is 2220112121021. The next prime is 2220112121039. The reversal of 2220112121022 is 2201212110222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 123339562279 = 2220112121022 / (2 + 2 + 2 + 0 + 1 + 1 + 2 + 1 + 2 + 1 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2220112120986 and 2220112121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220112121021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61669781122 + ... + 61669781157.

It is an arithmetic number, because the mean of its divisors is an integer number (400853577410).

Almost surely, 2^{2220112121022} is an apocalyptic number.

2220112121022 is an abundant number, since it is smaller than the sum of its proper divisors (2590130807898).

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

2220112121022 is a wasteful number, since it uses less digits than its factorization.

2220112121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123339562287 (or 123339562284 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2220112121022 its reverse (2201212110222), we get a palindrome (4421324231244).

The spelling of 2220112121022 in words is "two trillion, two hundred twenty billion, one hundred twelve million, one hundred twenty-one thousand, twenty-two".