1232202022091 has 2 divisors, whose sum is σ = 1232202022092. Its totient is φ = 1232202022090.

The previous prime is 1232202022087. The next prime is 1232202022201. The reversal of 1232202022091 is 1902202022321.

It is a weak prime.

It is an emirp because it is prime and its reverse (1902202022321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232202022091 - 2² = 1232202022087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232202022091.

It is not a weakly prime, because it can be changed into another prime (1232202022021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616101011045 + 616101011046.

It is an arithmetic number, because the mean of its divisors is an integer number (616101011046).

Almost surely, 2^{1232202022091} is an apocalyptic number.

1232202022091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232202022091 is an equidigital number, since it uses as much as digits as its factorization.

1232202022091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 1232202022091 in words is "one trillion, two hundred thirty-two billion, two hundred two million, twenty-two thousand, ninety-one".