100122122222 has 32 divisors (see below), whose sum is σ = 151792123392. Its totient is φ = 49528261984.

The previous prime is 100122122173. The next prime is 100122122293. The reversal of 100122122222 is 222221221001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100122122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101853143 + ... + 101854125.

It is an arithmetic number, because the mean of its divisors is an integer number (4743503856).

Almost surely, 2^100122122222 is an apocalyptic number.

100122122222 is a deficient number, since it is larger than the sum of its proper divisors (51670001170).

100122122222 is a wasteful number, since it uses less digits than its factorization.

100122122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100122122222 its reverse (222221221001), we get a palindrome (322343343223).

The spelling of 100122122222 in words is "one hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".