11101033213 has 4 divisors (see below), whose sum is σ = 11110339548. Its totient is φ = 11091726880.

The previous prime is 11101033193. The next prime is 11101033231. The reversal of 11101033213 is 31233010111.

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 2392970724 + 8708062489 = 48918^2 + 93317^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101033213 - 2¹³ = 11101025021 is a prime.

It is a super-2 number, since 2×11101033213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101033253) 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, 4651378 + ... + 4653763.

It is an arithmetic number, because the mean of its divisors is an integer number (2777584887).

Almost surely, 2^11101033213 is an apocalyptic number.

It is an amenable number.

11101033213 is a deficient number, since it is larger than the sum of its proper divisors (9306335).

11101033213 is an equidigital number, since it uses as much as digits as its factorization.

11101033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306334.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11101033213 its reverse (31233010111), we get a palindrome (42334043324).

The spelling of 11101033213 in words is "eleven billion, one hundred one million, thirty-three thousand, two hundred thirteen".