1122220210112 has 112 divisors (see below), whose sum is σ = 2371393987200. Its totient is φ = 525090373632.

The previous prime is 1122220210091. The next prime is 1122220210169. The reversal of 1122220210112 is 2110120222211.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 15 ways as a sum of consecutive naturals, for example, 139350278 + ... + 139358330.

It is an arithmetic number, because the mean of its divisors is an integer number (21173160600).

Almost surely, 2^{1122220210112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122220210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1185696993600).

1122220210112 is an abundant number, since it is smaller than the sum of its proper divisors (1249173777088).

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

1122220210112 is a wasteful number, since it uses less digits than its factorization.

1122220210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8798 (or 8788 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1122220210112 its reverse (2110120222211), we get a palindrome (3232340432323).

The spelling of 1122220210112 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred ten thousand, one hundred twelve".