100122101 has 4 divisors (see below), whose sum is σ = 100910592. Its totient is φ = 99333612.

The previous prime is 100122089. The next prime is 100122179. The reversal of 100122101 is 101221001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101221001 = 7 ⋅14460143.

It is a cyclic number.

It is not a de Polignac number, because 100122101 - 2¹⁴ = 100105717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394055 + ... + 394308.

It is an arithmetic number, because the mean of its divisors is an integer number (25227648).

Almost surely, 2^100122101 is an apocalyptic number.

It is an amenable number.

100122101 is a deficient number, since it is larger than the sum of its proper divisors (788491).

100122101 is an equidigital number, since it uses as much as digits as its factorization.

100122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788490.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 100122101 is about 10006.1031875551. The cubic root of 100122101 is about 464.3477207374.

Adding to 100122101 its reverse (101221001), we get a palindrome (201343102).

The spelling of 100122101 in words is "one hundred million, one hundred twenty-two thousand, one hundred one".