2221311322122 has 16 divisors (see below), whose sum is σ = 4443099892992. Its totient is φ = 740357565920.

The previous prime is 2221311322117. The next prime is 2221311322157. The reversal of 2221311322122 is 2212231131222.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2221311322092 and 2221311322101.

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, 19824843 + ... + 19936574.

It is an arithmetic number, because the mean of its divisors is an integer number (277693743312).

Almost surely, 2^{2221311322122} is an apocalyptic number.

2221311322122 is an abundant number, since it is smaller than the sum of its proper divisors (2221788570870).

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

2221311322122 is a wasteful number, since it uses less digits than its factorization.

2221311322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39770733.

The product of its digits is 1152, while the sum is 24.

Adding to 2221311322122 its reverse (2212231131222), we get a palindrome (4433542453344).

The spelling of 2221311322122 in words is "two trillion, two hundred twenty-one billion, three hundred eleven million, three hundred twenty-two thousand, one hundred twenty-two".