1210011120797 has 2 divisors, whose sum is σ = 1210011120798. Its totient is φ = 1210011120796.

The previous prime is 1210011120779. The next prime is 1210011120809. The reversal of 1210011120797 is 7970211100121.

It is a happy number.

Together with previous prime (1210011120779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1182686700196 + 27324420601 = 1087514^2 + 165301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210011120797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210011120727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605005560398 + 605005560399.

It is an arithmetic number, because the mean of its divisors is an integer number (605005560399).

Almost surely, 2^{1210011120797} is an apocalyptic number.

It is an amenable number.

1210011120797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210011120797 is an equidigital number, since it uses as much as digits as its factorization.

1210011120797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 32.

The spelling of 1210011120797 in words is "one trillion, two hundred ten billion, eleven million, one hundred twenty thousand, seven hundred ninety-seven".