2221321131022 has 16 divisors (see below), whose sum is σ = 3896536735872. Its totient is φ = 929855356920.

The previous prime is 2221321130993. The next prime is 2221321131037. The reversal of 2221321131022 is 2201311231222.

It is a junction number, because it is equal to n+sod(n) for n = 2221321130984 and 2221321131002.

It is a congruent number.

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, 1844950504 + ... + 1844951707.

It is an arithmetic number, because the mean of its divisors is an integer number (243533545992).

Almost surely, 2^{2221321131022} is an apocalyptic number.

2221321131022 is a deficient number, since it is larger than the sum of its proper divisors (1675215604850).

2221321131022 is a wasteful number, since it uses less digits than its factorization.

2221321131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689902263.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2221321131022 its reverse (2201311231222), we get a palindrome (4422632362244).

The spelling of 2221321131022 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-one million, one hundred thirty-one thousand, twenty-two".