11122021099 has 4 divisors (see below), whose sum is σ = 12710881264. Its totient is φ = 9533160936.

The previous prime is 11122021093. The next prime is 11122021117. The reversal of 11122021099 is 99012022111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99012022111 = 29 ⋅3414207659.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122021099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122021093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794430072 + ... + 794430085.

It is an arithmetic number, because the mean of its divisors is an integer number (3177720316).

Almost surely, 2^11122021099 is an apocalyptic number.

11122021099 is a deficient number, since it is larger than the sum of its proper divisors (1588860165).

11122021099 is an equidigital number, since it uses as much as digits as its factorization.

11122021099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588860164.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 11122021099 in words is "eleven billion, one hundred twenty-two million, twenty-one thousand, ninety-nine".