10202002221 has 8 divisors (see below), whose sum is σ = 13604259744. Its totient is φ = 6800539760.

The previous prime is 10202002189. The next prime is 10202002331. The reversal of 10202002221 is 12220020201.

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

It is a cyclic number.

It is not a de Polignac number, because 10202002221 - 2⁵ = 10202002189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202002197 and 10202002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202002121) 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, 168150 + ... + 220631.

It is an arithmetic number, because the mean of its divisors is an integer number (1700532468).

Almost surely, 2^10202002221 is an apocalyptic number.

It is an amenable number.

10202002221 is a deficient number, since it is larger than the sum of its proper divisors (3402257523).

10202002221 is an equidigital number, since it uses as much as digits as its factorization.

10202002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397531.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10202002221 its reverse (12220020201), we get a palindrome (22422022422).

The spelling of 10202002221 in words is "ten billion, two hundred two million, two thousand, two hundred twenty-one".