100100221122 has 16 divisors (see below), whose sum is σ = 218400482592. Its totient is φ = 30333400320.

The previous prime is 100100221061. The next prime is 100100221147. The reversal of 100100221122 is 221122001001.

It is a junction number, because it is equal to n+sod(n) for n = 100100221098 and 100100221107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758334943 + ... + 758335074.

It is an arithmetic number, because the mean of its divisors is an integer number (13650030162).

Almost surely, 2^100100221122 is an apocalyptic number.

100100221122 is an abundant number, since it is smaller than the sum of its proper divisors (118300261470).

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

100100221122 is a wasteful number, since it uses less digits than its factorization.

100100221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516670033.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100100221122 its reverse (221122001001), we get a palindrome (321222222123).

The spelling of 100100221122 in words is "one hundred billion, one hundred million, two hundred twenty-one thousand, one hundred twenty-two".