11012021199999 has 16 divisors (see below), whose sum is σ = 16314445311840. Its totient is φ = 7341194543040.

The previous prime is 11012021199917. The next prime is 11012021200027. The reversal of 11012021199999 is 99999112021011.

It is not a de Polignac number, because 11012021199999 - 2²⁸ = 11011752764543 is a prime.

It is a super-2 number, since 2×11012021199999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012021199199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2920152 + ... + 5527325.

It is an arithmetic number, because the mean of its divisors is an integer number (1019652831990).

Almost surely, 2^{11012021199999} is an apocalyptic number.

11012021199999 is a deficient number, since it is larger than the sum of its proper divisors (5302424111841).

11012021199999 is an equidigital number, since it uses as much as digits as its factorization.

11012021199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495767 (or 8495761 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 54.

The spelling of 11012021199999 in words is "eleven trillion, twelve billion, twenty-one million, one hundred ninety-nine thousand, nine hundred ninety-nine".