202212200211221 has 8 divisors (see below), whose sum is σ = 202399354375680. Its totient is φ = 202025048119488.

The previous prime is 202212200211209. The next prime is 202212200211269. The reversal of 202212200211221 is 122112002212202.

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 202212200211221 - 2⁶ = 202212200211157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202212200211193 and 202212200211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212200210221) 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, 251150525 + ... + 251954381.

It is an arithmetic number, because the mean of its divisors is an integer number (25299919296960).

Almost surely, 2^{202212200211221} is an apocalyptic number.

It is an amenable number.

202212200211221 is a deficient number, since it is larger than the sum of its proper divisors (187154164459).

202212200211221 is a wasteful number, since it uses less digits than its factorization.

202212200211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036363.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202212200211221 its reverse (122112002212202), we get a palindrome (324324202423423).

The spelling of 202212200211221 in words is "two hundred two trillion, two hundred twelve billion, two hundred million, two hundred eleven thousand, two hundred twenty-one".