2231101231097 has 2 divisors, whose sum is σ = 2231101231098. Its totient is φ = 2231101231096.

The previous prime is 2231101231091. The next prime is 2231101231157. The reversal of 2231101231097 is 7901321011322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1939950338041 + 291150893056 = 1392821^2 + 539584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231101231097 - 2⁶ = 2231101231033 is a prime.

It is a super-3 number, since 3×2231101231097³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231101231091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115550615548 + 1115550615549.

It is an arithmetic number, because the mean of its divisors is an integer number (1115550615549).

Almost surely, 2^{2231101231097} is an apocalyptic number.

It is an amenable number.

2231101231097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231101231097 is an equidigital number, since it uses as much as digits as its factorization.

2231101231097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 2231101231097 in words is "two trillion, two hundred thirty-one billion, one hundred one million, two hundred thirty-one thousand, ninety-seven".