222201131103257 has 2 divisors, whose sum is σ = 222201131103258. Its totient is φ = 222201131103256.

The previous prime is 222201131103253. The next prime is 222201131103331. The reversal of 222201131103257 is 752301131102222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203901378595216 + 18299752508041 = 14279404^2 + 4277821^2 .

It is a cyclic number.

It is not a de Polignac number, because 222201131103257 - 2² = 222201131103253 is a prime.

It is not a weakly prime, because it can be changed into another prime (222201131103253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100565551628 + 111100565551629.

It is an arithmetic number, because the mean of its divisors is an integer number (111100565551629).

Almost surely, 2^{222201131103257} is an apocalyptic number.

It is an amenable number.

222201131103257 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201131103257 is an equidigital number, since it uses as much as digits as its factorization.

222201131103257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 222201131103257 its reverse (752301131102222), we get a palindrome (974502262205479).

The spelling of 222201131103257 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred thirty-one million, one hundred three thousand, two hundred fifty-seven".