122021110021100 has 36 divisors (see below), whose sum is σ = 265056828209544. Its totient is φ = 48758486503680.

The previous prime is 122021110021091. The next prime is 122021110021141. The reversal of 122021110021100 is 1120011120221.

122021110021100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624370622 + ... + 624566021.

Almost surely, 2^{122021110021100} is an apocalyptic number.

122021110021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021110021100 is an abundant number, since it is smaller than the sum of its proper divisors (143035718188444).

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

122021110021100 is a wasteful number, since it uses less digits than its factorization.

122021110021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248937634 (or 1248937627 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122021110021100 its reverse (1120011120221), we get a palindrome (123141121141321).

The spelling of 122021110021100 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred ten million, twenty-one thousand, one hundred".