202010220211221 has 24 divisors (see below), whose sum is σ = 312360951162624. Its totient is φ = 130329174324960.

The previous prime is 202010220211213. The next prime is 202010220211229. The reversal of 202010220211221 is 122112022010202.

It is a happy number.

202010220211221 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 10 + 220 + 211 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (202010220211213) and next prime (202010220211229).

It is not a de Polignac number, because 202010220211221 - 2³ = 202010220211213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202010220211194 and 202010220211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010220211229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13408343736 + ... + 13408358801.

It is an arithmetic number, because the mean of its divisors is an integer number (13015039631776).

Almost surely, 2^{202010220211221} is an apocalyptic number.

It is an amenable number.

202010220211221 is a deficient number, since it is larger than the sum of its proper divisors (110350730951403).

202010220211221 is an equidigital number, since it uses as much as digits as its factorization.

202010220211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26816702583 (or 26816702571 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202010220211221 its reverse (122112022010202), we get a palindrome (324122242221423).

The spelling of 202010220211221 in words is "two hundred two trillion, ten billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-one".