2201231186797 has 2 divisors, whose sum is σ = 2201231186798. Its totient is φ = 2201231186796.

The previous prime is 2201231186741. The next prime is 2201231186827. The reversal of 2201231186797 is 7976811321022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1759838374921 + 441392811876 = 1326589^2 + 664374^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201231186797 - 2³⁵ = 2166871448429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201231186797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201231189797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100615593398 + 1100615593399.

It is an arithmetic number, because the mean of its divisors is an integer number (1100615593399).

Almost surely, 2^{2201231186797} is an apocalyptic number.

It is an amenable number.

2201231186797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201231186797 is an equidigital number, since it uses as much as digits as its factorization.

2201231186797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 2201231186797 in words is "two trillion, two hundred one billion, two hundred thirty-one million, one hundred eighty-six thousand, seven hundred ninety-seven".