1111220210112 has 56 divisors (see below), whose sum is σ = 2940381216000. Its totient is φ = 370371745536.

The previous prime is 1111220210077. The next prime is 1111220210129. The reversal of 1111220210112 is 2110120221111.

It is a happy number.

It is a super-2 number, since 2×1111220210112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111220210091 and 1111220210100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805439 + ... + 2341377.

Almost surely, 2^{1111220210112} is an apocalyptic number.

1111220210112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111220210112 is an abundant number, since it is smaller than the sum of its proper divisors (1829161005888).

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

1111220210112 is a wasteful number, since it uses less digits than its factorization.

1111220210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546753 (or 546743 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111220210112 its reverse (2110120221111), we get a palindrome (3221340431223).

The spelling of 1111220210112 in words is "one trillion, one hundred eleven billion, two hundred twenty million, two hundred ten thousand, one hundred twelve".