100210222221 has 4 divisors (see below), whose sum is σ = 133613629632. Its totient is φ = 66806814812.

The previous prime is 100210222213. The next prime is 100210222247. The reversal of 100210222221 is 122222012001.

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 100210222221 - 2³ = 100210222213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100210222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210222621) 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, 16701703701 + ... + 16701703706.

It is an arithmetic number, because the mean of its divisors is an integer number (33403407408).

Almost surely, 2^100210222221 is an apocalyptic number.

It is an amenable number.

100210222221 is a deficient number, since it is larger than the sum of its proper divisors (33403407411).

100210222221 is an equidigital number, since it uses as much as digits as its factorization.

100210222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33403407410.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100210222221 its reverse (122222012001), we get a palindrome (222432234222).

The spelling of 100210222221 in words is "one hundred billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".