122100021322120 has 32 divisors (see below), whose sum is σ = 275619917865600. Its totient is φ = 48680920548288.

The previous prime is 122100021322109. The next prime is 122100021322127. The reversal of 122100021322120 is 21223120001221.

It is not an unprimeable number, because it can be changed into a prime (122100021322127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4971486960 + ... + 4971511519.

It is an arithmetic number, because the mean of its divisors is an integer number (8613122433300).

Almost surely, 2^{122100021322120} is an apocalyptic number.

122100021322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100021322120 is an abundant number, since it is smaller than the sum of its proper divisors (153519896543480).

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

122100021322120 is a wasteful number, since it uses less digits than its factorization.

122100021322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942998797 (or 9942998793 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122100021322120 its reverse (21223120001221), we get a palindrome (143323141323341).

The spelling of 122100021322120 in words is "one hundred twenty-two trillion, one hundred billion, twenty-one million, three hundred twenty-two thousand, one hundred twenty".