902220120221 has 8 divisors (see below), whose sum is σ = 1035216713664. Its totient is φ = 770250528000.

The previous prime is 902220120203. The next prime is 902220120247. The reversal of 902220120221 is 122021022209.

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 902220120221 - 2³⁰ = 901146378397 is a prime.

It is a super-2 number, since 2×902220120221² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902220120271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256748420 + ... + 256751933.

It is an arithmetic number, because the mean of its divisors is an integer number (129402089208).

Almost surely, 2^902220120221 is an apocalyptic number.

It is an amenable number.

902220120221 is a deficient number, since it is larger than the sum of its proper divisors (132996593443).

902220120221 is a wasteful number, since it uses less digits than its factorization.

902220120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513500611.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 902220120221 in words is "nine hundred two billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty-one".