1122100222091 has 2 divisors, whose sum is σ = 1122100222092. Its totient is φ = 1122100222090.

The previous prime is 1122100222049. The next prime is 1122100222097. The reversal of 1122100222091 is 1902220012211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122100222091 - 2¹⁸ = 1122099959947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122100222097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561050111045 + 561050111046.

It is an arithmetic number, because the mean of its divisors is an integer number (561050111046).

Almost surely, 2^{1122100222091} is an apocalyptic number.

1122100222091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122100222091 is an equidigital number, since it uses as much as digits as its factorization.

1122100222091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 1122100222091 in words is "one trillion, one hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, ninety-one".