100113122 has 4 divisors (see below), whose sum is σ = 150169686. Its totient is φ = 50056560.

The previous prime is 100113067. The next prime is 100113173. The reversal of 100113122 is 221311001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221311001 = 1297 ⋅170633.

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 37687321 = 7901^2 + 6139^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25028279 + ... + 25028282.

Almost surely, 2^100113122 is an apocalyptic number.

100113122 is a deficient number, since it is larger than the sum of its proper divisors (50056564).

100113122 is an equidigital number, since it uses as much as digits as its factorization.

100113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50056563.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 100113122 is about 10005.6545013307. The cubic root of 100113122 is about 464.3338393440. Note that the first 3 decimals are identical.

Adding to 100113122 its reverse (221311001), we get a palindrome (321424123).

The spelling of 100113122 in words is "one hundred million, one hundred thirteen thousand, one hundred twenty-two".