1110232221012 has 36 divisors (see below), whose sum is σ = 2806455171520. Its totient is φ = 370072813392.

The previous prime is 1110232220983. The next prime is 1110232221017. The reversal of 1110232221012 is 2101222320111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110232221017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4016283 + ... + 4283805.

Almost surely, 2^{1110232221012} is an apocalyptic number.

1110232221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1110232221012 is an abundant number, since it is smaller than the sum of its proper divisors (1696222950508).

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

1110232221012 is a wasteful number, since it uses less digits than its factorization.

1110232221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382812 (or 382807 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1110232221012 its reverse (2101222320111), we get a palindrome (3211454541123).

Subtracting 1110232221012 from its reverse (2101222320111), we obtain a palindrome (990990099099).

The spelling of 1110232221012 in words is "one trillion, one hundred ten billion, two hundred thirty-two million, two hundred twenty-one thousand, twelve".