202210112001221 has 8 divisors (see below), whose sum is σ = 205640835380640. Its totient is φ = 198779503066768.

The previous prime is 202210112001187. The next prime is 202210112001277. The reversal of 202210112001221 is 122100211012202.

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-202210112001221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202210112001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210112001721) 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, 25043771 + ... + 32118696.

It is an arithmetic number, because the mean of its divisors is an integer number (25705104422580).

Almost surely, 2^{202210112001221} is an apocalyptic number.

It is an amenable number.

202210112001221 is a deficient number, since it is larger than the sum of its proper divisors (3430723379419).

202210112001221 is an equidigital number, since it uses as much as digits as its factorization.

202210112001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57222483.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202210112001221 its reverse (122100211012202), we get a palindrome (324310323013423).

The spelling of 202210112001221 in words is "two hundred two trillion, two hundred ten billion, one hundred twelve million, one thousand, two hundred twenty-one".