11121121012110 has 16 divisors (see below), whose sum is σ = 26690690429136. Its totient is φ = 2965632269888.

The previous prime is 11121121012087. The next prime is 11121121012117. The reversal of 11121121012110 is 1121012112111.

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 11121121012110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121121012117) 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, 185352016839 + ... + 185352016898.

It is an arithmetic number, because the mean of its divisors is an integer number (1668168151821).

Almost surely, 2^{11121121012110} is an apocalyptic number.

11121121012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121121012110 is an abundant number, since it is smaller than the sum of its proper divisors (15569569417026).

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

11121121012110 is a wasteful number, since it uses less digits than its factorization.

11121121012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370704033747.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11121121012110 its reverse (1121012112111), we get a palindrome (12242133124221).

The spelling of 11121121012110 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-one million, twelve thousand, one hundred ten".