100021201223 has 16 divisors (see below), whose sum is σ = 104170821120. Its totient is φ = 95980836000.

The previous prime is 100021201157. The next prime is 100021201229. The reversal of 100021201223 is 322102120001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100021201223 - 2¹⁴ = 100021184839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021201198 and 100021201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021201229) 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, 304886 + ... + 541292.

It is an arithmetic number, because the mean of its divisors is an integer number (6510676320).

Almost surely, 2^100021201223 is an apocalyptic number.

100021201223 is a deficient number, since it is larger than the sum of its proper divisors (4149619897).

100021201223 is a wasteful number, since it uses less digits than its factorization.

100021201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236638.

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

Adding to 100021201223 its reverse (322102120001), we get a palindrome (422123321224).

The spelling of 100021201223 in words is "one hundred billion, twenty-one million, two hundred one thousand, two hundred twenty-three".