202102222313221 has 8 divisors (see below), whose sum is σ = 202320811193184. Its totient is φ = 201883644354480.

The previous prime is 202102222313213. The next prime is 202102222313227. The reversal of 202102222313221 is 122313222201202.

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 202102222313221 - 2³ = 202102222313213 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 (202102222313227) 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, 34576086 + ... + 39996376.

It is an arithmetic number, because the mean of its divisors is an integer number (25290101399148).

Almost surely, 2^{202102222313221} is an apocalyptic number.

It is an amenable number.

202102222313221 is a deficient number, since it is larger than the sum of its proper divisors (218588879963).

202102222313221 is an equidigital number, since it uses as much as digits as its factorization.

202102222313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460611.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 202102222313221 its reverse (122313222201202), we get a palindrome (324415444514423).

The spelling of 202102222313221 in words is "two hundred two trillion, one hundred two billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-one".