100120002122 has 16 divisors (see below), whose sum is σ = 171649563072. Its totient is φ = 42904753920.

The previous prime is 100120002019. The next prime is 100120002131. The reversal of 100120002122 is 221200021001.

It is a happy number.

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, 152279 + ... + 472682.

It is an arithmetic number, because the mean of its divisors is an integer number (10728097692).

Almost surely, 2^100120002122 is an apocalyptic number.

100120002122 is a deficient number, since it is larger than the sum of its proper divisors (71529560950).

100120002122 is a wasteful number, since it uses less digits than its factorization.

100120002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636413.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100120002122 its reverse (221200021001), we get a palindrome (321320023123).

The spelling of 100120002122 in words is "one hundred billion, one hundred twenty million, two thousand, one hundred twenty-two".