202220112002221 has 16 divisors (see below), whose sum is σ = 214931899847808. Its totient is φ = 189599060851200.

The previous prime is 202220112002213. The next prime is 202220112002369. The reversal of 202220112002221 is 122200211022202.

It is a cyclic number.

It is not a de Polignac number, because 202220112002221 - 2³ = 202220112002213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220112002021) 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, 536872726 + ... + 537249256.

It is an arithmetic number, because the mean of its divisors is an integer number (13433243740488).

Almost surely, 2^{202220112002221} is an apocalyptic number.

It is an amenable number.

202220112002221 is a deficient number, since it is larger than the sum of its proper divisors (12711787845587).

202220112002221 is a wasteful number, since it uses less digits than its factorization.

202220112002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496932.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202220112002221 its reverse (122200211022202), we get a palindrome (324420323024423).

The spelling of 202220112002221 in words is "two hundred two trillion, two hundred twenty billion, one hundred twelve million, two thousand, two hundred twenty-one".