222132131004221 has 2 divisors, whose sum is σ = 222132131004222. Its totient is φ = 222132131004220.

The previous prime is 222132131004143. The next prime is 222132131004241. The reversal of 222132131004221 is 122400131231222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125426246776996 + 96705884227225 = 11199386^2 + 9833915^2 .

It is a cyclic number.

It is not a de Polignac number, because 222132131004221 - 2³⁴ = 222114951135037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222132131004241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111066065502110 + 111066065502111.

It is an arithmetic number, because the mean of its divisors is an integer number (111066065502111).

Almost surely, 2^{222132131004221} is an apocalyptic number.

It is an amenable number.

222132131004221 is a deficient number, since it is larger than the sum of its proper divisors (1).

222132131004221 is an equidigital number, since it uses as much as digits as its factorization.

222132131004221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 222132131004221 its reverse (122400131231222), we get a palindrome (344532262235443).

The spelling of 222132131004221 in words is "two hundred twenty-two trillion, one hundred thirty-two billion, one hundred thirty-one million, four thousand, two hundred twenty-one".