1210122192911 has 2 divisors, whose sum is σ = 1210122192912. Its totient is φ = 1210122192910.

The previous prime is 1210122192823. The next prime is 1210122192913. The reversal of 1210122192911 is 1192912210121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210122192911 - 2¹⁸ = 1210121930767 is a prime.

Together with 1210122192913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210122192913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605061096455 + 605061096456.

It is an arithmetic number, because the mean of its divisors is an integer number (605061096456).

Almost surely, 2^{1210122192911} is an apocalyptic number.

1210122192911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210122192911 is an equidigital number, since it uses as much as digits as its factorization.

1210122192911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 1210122192911 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, one hundred ninety-two thousand, nine hundred eleven".