1111122111110 has 64 divisors (see below), whose sum is σ = 2191681152000. Its totient is φ = 402223046400.

The previous prime is 1111122111091. The next prime is 1111122111119. The reversal of 1111122111110 is 111112211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111122111119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122217665 + ... + 122226755.

It is an arithmetic number, because the mean of its divisors is an integer number (34245018000).

Almost surely, 2^{1111122111110} is an apocalyptic number.

1111122111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111122111110 is a deficient number, since it is larger than the sum of its proper divisors (1080559040890).

1111122111110 is a wasteful number, since it uses less digits than its factorization.

1111122111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13997.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1111122111110 its reverse (111112211111), we get a palindrome (1222234322221).

It can be divided in two parts, 111112 and 2111110, that added together give a palindrome (2222222).

The spelling of 1111122111110 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred ten".