202022202121 has 8 divisors (see below), whose sum is σ = 207372521664. Its totient is φ = 196701524880.

The previous prime is 202022202097. The next prime is 202022202149. The reversal of 202022202121 is 121202220202.

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

It is a cyclic number.

It is not a de Polignac number, because 202022202121 - 2¹⁷ = 202022071049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202022202095 and 202022202104.

It is not an unprimeable number, because it can be changed into a prime (202022209121) 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, 7396765 + ... + 7424026.

It is an arithmetic number, because the mean of its divisors is an integer number (25921565208).

Almost surely, 2^202022202121 is an apocalyptic number.

It is an amenable number.

202022202121 is a deficient number, since it is larger than the sum of its proper divisors (5350319543).

202022202121 is a wasteful number, since it uses less digits than its factorization.

202022202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14821151.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202022202121 its reverse (121202220202), we get a palindrome (323224422323).

The spelling of 202022202121 in words is "two hundred two billion, twenty-two million, two hundred two thousand, one hundred twenty-one".