202340122213221 has 6 divisors (see below), whose sum is σ = 292269065419110. Its totient is φ = 134893414808808.

The previous prime is 202340122213193. The next prime is 202340122213223. The reversal of 202340122213221 is 122312221043202.

202340122213221 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 401 + 2 + 22 + 13 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188526932321121 + 13813189892100 = 13730511^2 + 3716610^2 .

It is not a de Polignac number, because 202340122213221 - 2¹⁵ = 202340122180453 is a prime.

It is a super-2 number, since 2×202340122213221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202340122213223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11241117900726 + ... + 11241117900743.

It is an arithmetic number, because the mean of its divisors is an integer number (48711510903185).

Almost surely, 2^{202340122213221} is an apocalyptic number.

It is an amenable number.

202340122213221 is a deficient number, since it is larger than the sum of its proper divisors (89928943205889).

202340122213221 is a wasteful number, since it uses less digits than its factorization.

202340122213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22482235801475 (or 22482235801472 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 202340122213221 its reverse (122312221043202), we get a palindrome (324652343256423).

The spelling of 202340122213221 in words is "two hundred two trillion, three hundred forty billion, one hundred twenty-two million, two hundred thirteen thousand, two hundred twenty-one".