11231110203213 has 32 divisors (see below), whose sum is σ = 16423514173440. Its totient is φ = 6800361108480.

The previous prime is 11231110203149. The next prime is 11231110203217. The reversal of 11231110203213 is 31230201113211.

It is not a de Polignac number, because 11231110203213 - 2⁶ = 11231110203149 is a prime.

It is a super-2 number, since 2×11231110203213² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11231110203213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231110203217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29512020 + ... + 29890157.

It is an arithmetic number, because the mean of its divisors is an integer number (513234817920).

Almost surely, 2^{11231110203213} is an apocalyptic number.

It is an amenable number.

11231110203213 is a deficient number, since it is larger than the sum of its proper divisors (5192403970227).

11231110203213 is a wasteful number, since it uses less digits than its factorization.

11231110203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59402337.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11231110203213 its reverse (31230201113211), we get a palindrome (42461311316424).

The spelling of 11231110203213 in words is "eleven trillion, two hundred thirty-one billion, one hundred ten million, two hundred three thousand, two hundred thirteen".