100220312122 has 32 divisors (see below), whose sum is σ = 174775242240. Its totient is φ = 42209790000.

The previous prime is 100220312107. The next prime is 100220312123. The reversal of 100220312122 is 221213022001.

It is a happy number.

100220312122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100220312122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100220312096 and 100220312105.

It is not an unprimeable number, because it can be changed into a prime (100220312123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2746497 + ... + 2782747.

It is an arithmetic number, because the mean of its divisors is an integer number (5461726320).

Almost surely, 2^100220312122 is an apocalyptic number.

100220312122 is a deficient number, since it is larger than the sum of its proper divisors (74554930118).

100220312122 is a wasteful number, since it uses less digits than its factorization.

100220312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39666.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100220312122 its reverse (221213022001), we get a palindrome (321433334123).

The spelling of 100220312122 in words is "one hundred billion, two hundred twenty million, three hundred twelve thousand, one hundred twenty-two".