100122120110220 has 96 divisors (see below), whose sum is σ = 305019141083328. Its totient is φ = 24391368179712.

The previous prime is 100122120110219. The next prime is 100122120110267. The reversal of 100122120110220 is 22011021221001.

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 100122120110220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661582549 + ... + 661733868.

It is an arithmetic number, because the mean of its divisors is an integer number (3177282719618).

Almost surely, 2^{100122120110220} is an apocalyptic number.

100122120110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122120110220 is an abundant number, since it is smaller than the sum of its proper divisors (204897020973108).

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

100122120110220 is a wasteful number, since it uses less digits than its factorization.

100122120110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323316539 (or 1323316537 counting only the distinct ones).

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

Adding to 100122120110220 its reverse (22011021221001), we get a palindrome (122133141331221).

The spelling of 100122120110220 in words is "one hundred trillion, one hundred twenty-two billion, one hundred twenty million, one hundred ten thousand, two hundred twenty".