222100221210097 has 2 divisors, whose sum is σ = 222100221210098. Its totient is φ = 222100221210096.

The previous prime is 222100221210001. The next prime is 222100221210143. The reversal of 222100221210097 is 790012122001222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133525790072896 + 88574431137201 = 11555336^2 + 9411399^2 .

It is a cyclic number.

It is not a de Polignac number, because 222100221210097 - 2²³ = 222100212821489 is a prime.

It is not a weakly prime, because it can be changed into another prime (222100221240097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050110605048 + 111050110605049.

It is an arithmetic number, because the mean of its divisors is an integer number (111050110605049).

Almost surely, 2^{222100221210097} is an apocalyptic number.

It is an amenable number.

222100221210097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100221210097 is an equidigital number, since it uses as much as digits as its factorization.

222100221210097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 222100221210097 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, two hundred ten thousand, ninety-seven".