122100102020120 has 64 divisors (see below), whose sum is σ = 332440613916480. Its totient is φ = 39400369053696.

The previous prime is 122100102020111. The next prime is 122100102020147. The reversal of 122100102020120 is 21020201001221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 122100102020095 and 122100102020104.

It is a congruent number.

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, 12825636209 + ... + 12825645728.

It is an arithmetic number, because the mean of its divisors is an integer number (5194384592445).

Almost surely, 2^{122100102020120} is an apocalyptic number.

122100102020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100102020120 is an abundant number, since it is smaller than the sum of its proper divisors (210340511896360).

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

122100102020120 is a wasteful number, since it uses less digits than its factorization.

122100102020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25651281972 (or 25651281968 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122100102020120 its reverse (21020201001221), we get a palindrome (143120303021341).

The spelling of 122100102020120 in words is "one hundred twenty-two trillion, one hundred billion, one hundred two million, twenty thousand, one hundred twenty".