202222101021 has 4 divisors (see below), whose sum is σ = 269629468032. Its totient is φ = 134814734012.

The previous prime is 202222100999. The next prime is 202222101061. The reversal of 202222101021 is 120101222202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202222101021 - 2⁵ = 202222100989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222101061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33703683501 + ... + 33703683506.

It is an arithmetic number, because the mean of its divisors is an integer number (67407367008).

Almost surely, 2^202222101021 is an apocalyptic number.

It is an amenable number.

202222101021 is a deficient number, since it is larger than the sum of its proper divisors (67407367011).

202222101021 is an equidigital number, since it uses as much as digits as its factorization.

202222101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67407367010.

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

Adding to 202222101021 its reverse (120101222202), we get a palindrome (322323323223).

The spelling of 202222101021 in words is "two hundred two billion, two hundred twenty-two million, one hundred one thousand, twenty-one".