102230202230021 has 4 divisors (see below), whose sum is σ = 102231417445344. Its totient is φ = 102228987014700.

The previous prime is 102230202230011. The next prime is 102230202230059. The reversal of 102230202230021 is 120032202032201.

It is a happy number.

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 102230202230021 - 2⁶ = 102230202229957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102230202229975 and 102230202230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102230202230011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607481465 + ... + 607649726.

It is an arithmetic number, because the mean of its divisors is an integer number (25557854361336).

Almost surely, 2^{102230202230021} is an apocalyptic number.

It is an amenable number.

102230202230021 is a deficient number, since it is larger than the sum of its proper divisors (1215215323).

102230202230021 is an equidigital number, since it uses as much as digits as its factorization.

102230202230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215215322.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102230202230021 its reverse (120032202032201), we get a palindrome (222262404262222).

The spelling of 102230202230021 in words is "one hundred two trillion, two hundred thirty billion, two hundred two million, two hundred thirty thousand, twenty-one".