202220001002221 has 16 divisors (see below), whose sum is σ = 202787989862400. Its totient is φ = 201652779952000.

The previous prime is 202220001002171. The next prime is 202220001002233. The reversal of 202220001002221 is 122200100022202.

It is a cyclic number.

It is not a de Polignac number, because 202220001002221 - 2²¹ = 202219998905069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202220001002195 and 202220001002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220001002321) 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, 2851386600 + ... + 2851457518.

It is an arithmetic number, because the mean of its divisors is an integer number (12674249366400).

Almost surely, 2^{202220001002221} is an apocalyptic number.

It is an amenable number.

202220001002221 is a deficient number, since it is larger than the sum of its proper divisors (567988860179).

202220001002221 is a wasteful number, since it uses less digits than its factorization.

202220001002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76220.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202220001002221 its reverse (122200100022202), we get a palindrome (324420101024423).

The spelling of 202220001002221 in words is "two hundred two trillion, two hundred twenty billion, one million, two thousand, two hundred twenty-one".