11443316892121 has 4 divisors (see below), whose sum is σ = 11444529502692. Its totient is φ = 11442104281552.

The previous prime is 11443316892109. The next prime is 11443316892157. The reversal of 11443316892121 is 12129861334411.

11443316892121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3758418104896 + 7684898787225 = 1938664^2 + 2772165^2 .

It is a cyclic number.

It is not a de Polignac number, because 11443316892121 - 2²⁷ = 11443182674393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11443316892101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606291130 + ... + 606310003.

It is an arithmetic number, because the mean of its divisors is an integer number (2861132375673).

Almost surely, 2^{11443316892121} is an apocalyptic number.

It is an amenable number.

11443316892121 is a deficient number, since it is larger than the sum of its proper divisors (1212610571).

11443316892121 is an equidigital number, since it uses as much as digits as its factorization.

11443316892121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212610570.

The product of its digits is 248832, while the sum is 46.

The spelling of 11443316892121 in words is "eleven trillion, four hundred forty-three billion, three hundred sixteen million, eight hundred ninety-two thousand, one hundred twenty-one".