100100122 has 4 divisors (see below), whose sum is σ = 150150186. Its totient is φ = 50050060.

The previous prime is 100100111. The next prime is 100100149. The reversal of 100100122 is 221001001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221001001 = 13 ⋅17000077.

It can be written as a sum of positive squares in only one way, i.e., 93334921 + 6765201 = 9661^2 + 2601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025029 + ... + 25025032.

Almost surely, 2^100100122 is an apocalyptic number.

100100122 is a deficient number, since it is larger than the sum of its proper divisors (50050064).

100100122 is an equidigital number, since it uses as much as digits as its factorization.

100100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50050063.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100100122 is about 10005.0048475750. The cubic root of 100100122 is about 464.3137400766.

Adding to 100100122 its reverse (221001001), we get a palindrome (321101123).

It can be divided in two parts, 1001001 and 22, that multiplied together give a palindrome (22022022).

The spelling of 100100122 in words is "one hundred million, one hundred thousand, one hundred twenty-two".