11121111310 has 16 divisors (see below), whose sum is σ = 20020788000. Its totient is φ = 4447825056.

The previous prime is 11121111301. The next prime is 11121111311. The reversal of 11121111310 is 1311112111.

It is a super-2 number, since 2×11121111310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121111311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1831 + ... + 149149.

It is an arithmetic number, because the mean of its divisors is an integer number (1251299250).

Almost surely, 2^11121111310 is an apocalyptic number.

11121111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121111310 is a deficient number, since it is larger than the sum of its proper divisors (8899676690).

11121111310 is a wasteful number, since it uses less digits than its factorization.

11121111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154875.

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

Adding to 11121111310 its reverse (1311112111), we get a palindrome (12432223421).

The spelling of 11121111310 in words is "eleven billion, one hundred twenty-one million, one hundred eleven thousand, three hundred ten".