100221125023 has 4 divisors (see below), whose sum is σ = 100257852240. Its totient is φ = 100184397808.

The previous prime is 100221125021. The next prime is 100221125057. The reversal of 100221125023 is 320521122001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320521122001 = 839 ⋅382027559.

It is a cyclic number.

It is not a de Polignac number, because 100221125023 - 2¹ = 100221125021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221125021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18359515 + ... + 18364972.

It is an arithmetic number, because the mean of its divisors is an integer number (25064463060).

Almost surely, 2^100221125023 is an apocalyptic number.

100221125023 is a deficient number, since it is larger than the sum of its proper divisors (36727217).

100221125023 is an equidigital number, since it uses as much as digits as its factorization.

100221125023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36727216.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 100221125023 its reverse (320521122001), we get a palindrome (420742247024).

The spelling of 100221125023 in words is "one hundred billion, two hundred twenty-one million, one hundred twenty-five thousand, twenty-three".