2221022120122 has 16 divisors (see below), whose sum is σ = 3587830807680. Its totient is φ = 1025079748272.

The previous prime is 2221022120117. The next prime is 2221022120147. The reversal of 2221022120122 is 2210212201222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221022120122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5298643 + ... + 5702425.

It is an arithmetic number, because the mean of its divisors is an integer number (224239425480).

Almost surely, 2^{2221022120122} is an apocalyptic number.

2221022120122 is a deficient number, since it is larger than the sum of its proper divisors (1366808687558).

2221022120122 is a wasteful number, since it uses less digits than its factorization.

2221022120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615357.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221022120122 its reverse (2210212201222), we get a palindrome (4431234321344).

The spelling of 2221022120122 in words is "two trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred twenty-two".