100123020201 has 16 divisors (see below), whose sum is σ = 137243898368. Its totient is φ = 64879056000.

The previous prime is 100123020167. The next prime is 100123020211. The reversal of 100123020201 is 102020321001.

It is not a de Polignac number, because 100123020201 - 2¹⁷ = 100122889129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100123020211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345100 + ... + 565101.

It is an arithmetic number, because the mean of its divisors is an integer number (8577743648).

Almost surely, 2^100123020201 is an apocalyptic number.

It is an amenable number.

100123020201 is a deficient number, since it is larger than the sum of its proper divisors (37120878167).

100123020201 is an equidigital number, since it uses as much as digits as its factorization.

100123020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911232.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100123020201 its reverse (102020321001), we get a palindrome (202143341202).

The spelling of 100123020201 in words is "one hundred billion, one hundred twenty-three million, twenty thousand, two hundred one".