1122220020091 has 2 divisors, whose sum is σ = 1122220020092. Its totient is φ = 1122220020090.

The previous prime is 1122220020071. The next prime is 1122220020151. The reversal of 1122220020091 is 1900200222211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1900200222211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122220020091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122220020071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561110010045 + 561110010046.

It is an arithmetic number, because the mean of its divisors is an integer number (561110010046).

Almost surely, 2^{1122220020091} is an apocalyptic number.

1122220020091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122220020091 is an equidigital number, since it uses as much as digits as its factorization.

1122220020091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1122220020091 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, twenty thousand, ninety-one".