100402331122 has 4 divisors (see below), whose sum is σ = 150603496686. Its totient is φ = 50201165560.

The previous prime is 100402331059. The next prime is 100402331207. The reversal of 100402331122 is 221133204001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93245340321 + 7156990801 = 305361^2 + 84599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100402331122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25100582779 + ... + 25100582782.

Almost surely, 2^100402331122 is an apocalyptic number.

100402331122 is a deficient number, since it is larger than the sum of its proper divisors (50201165564).

100402331122 is an equidigital number, since it uses as much as digits as its factorization.

100402331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50201165563.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100402331122 its reverse (221133204001), we get a palindrome (321535535123).

The spelling of 100402331122 in words is "one hundred billion, four hundred two million, three hundred thirty-one thousand, one hundred twenty-two".