122100120110220 has 48 divisors (see below), whose sum is σ = 390720384354048. Its totient is φ = 27908598882240.

The previous prime is 122100120110209. The next prime is 122100120110231. The reversal of 122100120110220 is 22011021001221.

It is an interprime number because it is at equal distance from previous prime (122100120110209) and next prime (122100120110231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122100120110220.

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, 145357285426 + ... + 145357286265.

It is an arithmetic number, because the mean of its divisors is an integer number (8140008007376).

Almost surely, 2^{122100120110220} is an apocalyptic number.

122100120110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100120110220 is an abundant number, since it is smaller than the sum of its proper divisors (268620264243828).

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

122100120110220 is a wasteful number, since it uses less digits than its factorization.

122100120110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290714571710 (or 290714571708 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122100120110220 its reverse (22011021001221), we get a palindrome (144111141111441).

The spelling of 122100120110220 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty million, one hundred ten thousand, two hundred twenty".