100122103220 has 48 divisors (see below), whose sum is σ = 221784998400. Its totient is φ = 37861729920.

The previous prime is 100122103219. The next prime is 100122103223. The reversal of 100122103220 is 22301221001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100122103195 and 100122103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122103223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93011 + ... + 457050.

It is an arithmetic number, because the mean of its divisors is an integer number (4620520800).

Almost surely, 2^100122103220 is an apocalyptic number.

100122103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122103220 is an abundant number, since it is smaller than the sum of its proper divisors (121662895180).

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

100122103220 is a wasteful number, since it uses less digits than its factorization.

100122103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550568 (or 550566 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100122103220 its reverse (22301221001), we get a palindrome (122423324221).

The spelling of 100122103220 in words is "one hundred billion, one hundred twenty-two million, one hundred three thousand, two hundred twenty".