122022220012100 has 36 divisors (see below), whose sum is σ = 278724439400400. Its totient is φ = 46239999161760.

The previous prime is 122022220012001. The next prime is 122022220012111. The reversal of 122022220012100 is 1210022220221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32111108630 + ... + 32111112429.

It is an arithmetic number, because the mean of its divisors is an integer number (7742345538900).

Almost surely, 2^{122022220012100} is an apocalyptic number.

122022220012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122022220012100 is an abundant number, since it is smaller than the sum of its proper divisors (156702219388300).

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

122022220012100 is a wasteful number, since it uses less digits than its factorization.

122022220012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64222221092 (or 64222221085 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122022220012100 its reverse (1210022220221), we get a palindrome (123232242232321).

The spelling of 122022220012100 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred twenty million, twelve thousand, one hundred".