20221112122122 has 32 divisors (see below), whose sum is σ = 40539722711040. Its totient is φ = 6724123792560.

The previous prime is 20221112122111. The next prime is 20221112122153. The reversal of 20221112122122 is 22122121112202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28716183 + ... + 29411925.

It is an arithmetic number, because the mean of its divisors is an integer number (1266866334720).

Almost surely, 2^{20221112122122} is an apocalyptic number.

20221112122122 is an abundant number, since it is smaller than the sum of its proper divisors (20318610588918).

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

20221112122122 is a wasteful number, since it uses less digits than its factorization.

20221112122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707418.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 20221112122122 its reverse (22122121112202), we get a palindrome (42343233234324).

The spelling of 20221112122122 in words is "twenty trillion, two hundred twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twenty-two".