11012936189921 has 4 divisors (see below), whose sum is σ = 11013896603952. Its totient is φ = 11011975775892.

The previous prime is 11012936189863. The next prime is 11012936189929. The reversal of 11012936189921 is 12998163921011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11012936189921 - 2²² = 11012931995617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012936189929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480189815 + ... + 480212748.

It is an arithmetic number, because the mean of its divisors is an integer number (2753474150988).

Almost surely, 2^{11012936189921} is an apocalyptic number.

It is an amenable number.

11012936189921 is a deficient number, since it is larger than the sum of its proper divisors (960414031).

11012936189921 is an equidigital number, since it uses as much as digits as its factorization.

11012936189921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960414030.

The product of its (nonzero) digits is 419904, while the sum is 53.

The spelling of 11012936189921 in words is "eleven trillion, twelve billion, nine hundred thirty-six million, one hundred eighty-nine thousand, nine hundred twenty-one".