202022202220021 has 8 divisors (see below), whose sum is σ = 202100343557184. Its totient is φ = 201944062262880.

The previous prime is 202022202219991. The next prime is 202022202220031. The reversal of 202022202220021 is 120022202220202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202022202220021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022202220031) 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, 368296866 + ... + 368844988.

It is an arithmetic number, because the mean of its divisors is an integer number (25262542944648).

Almost surely, 2^{202022202220021} is an apocalyptic number.

It is an amenable number.

202022202220021 is a deficient number, since it is larger than the sum of its proper divisors (78141337163).

202022202220021 is a wasteful number, since it uses less digits than its factorization.

202022202220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690011.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 202022202220021 its reverse (120022202220202), we get a palindrome (322044404440223).

The spelling of 202022202220021 in words is "two hundred two trillion, twenty-two billion, two hundred two million, two hundred twenty thousand, twenty-one".