11101323101021 has 4 divisors (see below), whose sum is σ = 11128465700700. Its totient is φ = 11074180501344.

The previous prime is 11101323100961. The next prime is 11101323101023. The reversal of 11101323101021 is 12010132310111.

11101323101021 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 9002316148996 + 2099006952025 = 3000386^2 + 1448795^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101323101021 - 2¹⁴ = 11101323084637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101323101023) 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, 13571299226 + ... + 13571300043.

It is an arithmetic number, because the mean of its divisors is an integer number (2782116425175).

Almost surely, 2^{11101323101021} is an apocalyptic number.

It is an amenable number.

11101323101021 is a deficient number, since it is larger than the sum of its proper divisors (27142599679).

11101323101021 is an equidigital number, since it uses as much as digits as its factorization.

11101323101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27142599678.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11101323101021 its reverse (12010132310111), we get a palindrome (23111455411132).

The spelling of 11101323101021 in words is "eleven trillion, one hundred one billion, three hundred twenty-three million, one hundred one thousand, twenty-one".