202220112021 has 8 divisors (see below), whose sum is σ = 276914027424. Its totient is φ = 131169802320.

The previous prime is 202220112007. The next prime is 202220112037. The reversal of 202220112021 is 120211022202.

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

It is not a de Polignac number, because 202220112021 - 2⁷ = 202220111893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220111021) 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, 910901295 + ... + 910901516.

It is an arithmetic number, because the mean of its divisors is an integer number (34614253428).

Almost surely, 2^202220112021 is an apocalyptic number.

It is an amenable number.

202220112021 is a deficient number, since it is larger than the sum of its proper divisors (74693915403).

202220112021 is a wasteful number, since it uses less digits than its factorization.

202220112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821802851.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202220112021 its reverse (120211022202), we get a palindrome (322431134223).

The spelling of 202220112021 in words is "two hundred two billion, two hundred twenty million, one hundred twelve thousand, twenty-one".