1112111112210 has 32 divisors (see below), whose sum is σ = 3050361908352. Its totient is φ = 254196825600.

The previous prime is 1112111112157. The next prime is 1112111112251. The reversal of 1112111112210 is 122111112111.

It is a super-2 number, since 2×1112111112210² (a number of 25 digits) contains 22 as substring.

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 1112111112210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2647883391 + ... + 2647883810.

It is an arithmetic number, because the mean of its divisors is an integer number (95323809636).

Almost surely, 2^{1112111112210} is an apocalyptic number.

1112111112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112111112210 is an abundant number, since it is smaller than the sum of its proper divisors (1938250796142).

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

1112111112210 is a wasteful number, since it uses less digits than its factorization.

1112111112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295767218.

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

Adding to 1112111112210 its reverse (122111112111), we get a palindrome (1234222224321).

Subtracting from 1112111112210 its reverse (122111112111), we obtain a palindrome (990000000099).

The spelling of 1112111112210 in words is "one trillion, one hundred twelve billion, one hundred eleven million, one hundred twelve thousand, two hundred ten".