11113401213 has 24 divisors (see below), whose sum is σ = 16433482208. Its totient is φ = 7233341472.

The previous prime is 11113401193. The next prime is 11113401223. The reversal of 11113401213 is 31210431111.

It is a happy number.

11113401213 is a `hidden beast` number, since 1 + 111 + 340 + 1 + 213 = 666.

It is not a de Polignac number, because 11113401213 - 2⁸ = 11113400957 is a prime.

It is a super-2 number, since 2×11113401213² (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 (11113401223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1077306 + ... + 1087572.

Almost surely, 2^11113401213 is an apocalyptic number.

It is an amenable number.

11113401213 is a deficient number, since it is larger than the sum of its proper divisors (5320080995).

11113401213 is a wasteful number, since it uses less digits than its factorization.

11113401213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113 (or 13110 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11113401213 its reverse (31210431111), we get a palindrome (42323832324).

The spelling of 11113401213 in words is "eleven billion, one hundred thirteen million, four hundred one thousand, two hundred thirteen".