22002120210022 has 4 divisors (see below), whose sum is σ = 33003180315036. Its totient is φ = 11001060105010.

The previous prime is 22002120209999. The next prime is 22002120210043. The reversal of 22002120210022 is 22001202120022.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22002120209978 and 22002120210005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500530052504 + ... + 5500530052507.

It is an arithmetic number, because the mean of its divisors is an integer number (8250795078759).

Almost surely, 2^{22002120210022} is an apocalyptic number.

22002120210022 is a deficient number, since it is larger than the sum of its proper divisors (11001060105014).

22002120210022 is a wasteful number, since it uses less digits than its factorization.

22002120210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001060105013.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22002120210022 its reverse (22001202120022), we get a palindrome (44003322330044).

Subtracting from 22002120210022 its reverse (22001202120022), we obtain a square (918090000 = 30300²).

The spelling of 22002120210022 in words is "twenty-two trillion, two billion, one hundred twenty million, two hundred ten thousand, twenty-two".