1112121212110 has 64 divisors (see below), whose sum is σ = 2209609373184. Its totient is φ = 401163264000.

The previous prime is 1112121212107. The next prime is 1112121212143. The reversal of 1112121212110 is 112121212111.

It is a super-2 number, since 2×1112121212110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 512427 + ... + 1576966.

It is an arithmetic number, because the mean of its divisors is an integer number (34525146456).

Almost surely, 2^{1112121212110} is an apocalyptic number.

1112121212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112121212110 is a deficient number, since it is larger than the sum of its proper divisors (1097488161074).

1112121212110 is a wasteful number, since it uses less digits than its factorization.

1112121212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089549.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1112121212110 its reverse (112121212111), we get a palindrome (1224242424221).

Subtracting from 1112121212110 its reverse (112121212111), we obtain a palindrome (999999999999).

It can be divided in two parts, 1112121 and 212110, that added together give a palindrome (1324231).

The spelling of 1112121212110 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred twelve thousand, one hundred ten".