11111213110 has 32 divisors (see below), whose sum is σ = 21058610400. Its totient is φ = 4209408000.

The previous prime is 11111213063. The next prime is 11111213117. The reversal of 11111213110 is 1131211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111213117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052860 + ... + 1063360.

It is an arithmetic number, because the mean of its divisors is an integer number (658081575).

Almost surely, 2^11111213110 is an apocalyptic number.

11111213110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111213110 is a deficient number, since it is larger than the sum of its proper divisors (9947397290).

11111213110 is a wasteful number, since it uses less digits than its factorization.

11111213110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11111213110 its reverse (1131211111), we get a palindrome (12242424221).

The spelling of 11111213110 in words is "eleven billion, one hundred eleven million, two hundred thirteen thousand, one hundred ten".