100110202121 has 4 divisors (see below), whose sum is σ = 100773183744. Its totient is φ = 99447220500.

The previous prime is 100110202117. The next prime is 100110202139. The reversal of 100110202121 is 121202011001.

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.

It is a cyclic number.

It is not a de Polignac number, because 100110202121 - 2² = 100110202117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100110202111) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 331490585 + ... + 331490886.

It is an arithmetic number, because the mean of its divisors is an integer number (25193295936).

Almost surely, 2^100110202121 is an apocalyptic number.

It is an amenable number.

100110202121 is a deficient number, since it is larger than the sum of its proper divisors (662981623).

100110202121 is an equidigital number, since it uses as much as digits as its factorization.

100110202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662981622.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100110202121 its reverse (121202011001), we get a palindrome (221312213122).

The spelling of 100110202121 in words is "one hundred billion, one hundred ten million, two hundred two thousand, one hundred twenty-one".