11213111310 has 16 divisors (see below), whose sum is σ = 26911467216. Its totient is φ = 2990163008.

The previous prime is 11213111309. The next prime is 11213111387. The reversal of 11213111310 is 1311131211.

It is a super-2 number, since 2×11213111310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11213111310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186885159 + ... + 186885218.

It is an arithmetic number, because the mean of its divisors is an integer number (1681966701).

Almost surely, 2^11213111310 is an apocalyptic number.

11213111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213111310 is an abundant number, since it is smaller than the sum of its proper divisors (15698355906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11213111310 is a wasteful number, since it uses less digits than its factorization.

11213111310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373770387.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11213111310 its reverse (1311131211), we get a palindrome (12524242521).

The spelling of 11213111310 in words is "eleven billion, two hundred thirteen million, one hundred eleven thousand, three hundred ten".