22222020121022 has 48 divisors (see below), whose sum is σ = 34574042700288. Its totient is φ = 10711293344640.

The previous prime is 22222020121003. The next prime is 22222020121031. The reversal of 22222020121022 is 22012102022222.

It is a junction number, because it is equal to n+sod(n) for n = 22222020120985 and 22222020121003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263186372 + ... + 263270792.

It is an arithmetic number, because the mean of its divisors is an integer number (720292556256).

Almost surely, 2^{22222020121022} is an apocalyptic number.

22222020121022 is a deficient number, since it is larger than the sum of its proper divisors (12352022579266).

22222020121022 is a wasteful number, since it uses less digits than its factorization.

22222020121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85381 (or 85344 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222020121022 its reverse (22012102022222), we get a palindrome (44234122143244).

The spelling of 22222020121022 in words is "twenty-two trillion, two hundred twenty-two billion, twenty million, one hundred twenty-one thousand, twenty-two".