122122122122100 has 36 divisors (see below), whose sum is σ = 353340006674144. Its totient is φ = 32565899232480.

The previous prime is 122122122122089. The next prime is 122122122122123. The reversal of 122122122122100 is 1221221221221.

It is a congruent 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, 203536869904 + ... + 203536870503.

Almost surely, 2^{122122122122100} is an apocalyptic number.

122122122122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122122122100 is an abundant number, since it is smaller than the sum of its proper divisors (231217884552044).

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

122122122122100 is a wasteful number, since it uses less digits than its factorization.

122122122122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407073740424 (or 407073740417 counting only the distinct ones).

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

Adding to 122122122122100 its reverse (1221221221221), we get a palindrome (123343343343321).

122122122122100 divided by its reverse (1221221221221) gives a square (100 = 10²).

The spelling of 122122122122100 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred".