100201223021 has 8 divisors (see below), whose sum is σ = 100350283104. Its totient is φ = 100052267920.

The previous prime is 100201222993. The next prime is 100201223041. The reversal of 100201223021 is 120322102001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100201223021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100201222987 and 100201223005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201223041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998566 + ... + 2048088.

It is an arithmetic number, because the mean of its divisors is an integer number (12543785388).

Almost surely, 2^100201223021 is an apocalyptic number.

It is an amenable number.

100201223021 is a deficient number, since it is larger than the sum of its proper divisors (149060083).

100201223021 is a wasteful number, since it uses less digits than its factorization.

100201223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52491.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100201223021 its reverse (120322102001), we get a palindrome (220523325022).

The spelling of 100201223021 in words is "one hundred billion, two hundred one million, two hundred twenty-three thousand, twenty-one".