1210120102291 has 2 divisors, whose sum is σ = 1210120102292. Its totient is φ = 1210120102290.

The previous prime is 1210120102133. The next prime is 1210120102309. The reversal of 1210120102291 is 1922010210121.

It is a strong prime.

It is an emirp because it is prime and its reverse (1922010210121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210120102291 - 2⁹ = 1210120101779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210120102391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605060051145 + 605060051146.

It is an arithmetic number, because the mean of its divisors is an integer number (605060051146).

Almost surely, 2^{1210120102291} is an apocalyptic number.

1210120102291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210120102291 is an equidigital number, since it uses as much as digits as its factorization.

1210120102291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1210120102291 in words is "one trillion, two hundred ten billion, one hundred twenty million, one hundred two thousand, two hundred ninety-one".