1121220020911 has 2 divisors, whose sum is σ = 1121220020912. Its totient is φ = 1121220020910.

The previous prime is 1121220020897. The next prime is 1121220020927. The reversal of 1121220020911 is 1190200221211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121220020911 - 2¹⁵ = 1121219988143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121220020981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560610010455 + 560610010456.

It is an arithmetic number, because the mean of its divisors is an integer number (560610010456).

Almost surely, 2^{1121220020911} is an apocalyptic number.

1121220020911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121220020911 is an equidigital number, since it uses as much as digits as its factorization.

1121220020911 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 1121220020911 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, twenty thousand, nine hundred eleven".