1112222321020 has 24 divisors (see below), whose sum is σ = 2375254450800. Its totient is φ = 437348437632.

The previous prime is 1112222321009. The next prime is 1112222321051. The reversal of 1112222321020 is 201232222111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471279465 + ... + 471281824.

It is an arithmetic number, because the mean of its divisors is an integer number (98968935450).

Almost surely, 2^{1112222321020} is an apocalyptic number.

1112222321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112222321020 is an abundant number, since it is smaller than the sum of its proper divisors (1263032129780).

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

1112222321020 is a wasteful number, since it uses less digits than its factorization.

1112222321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942561357 (or 942561355 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1112222321020 its reverse (201232222111), we get a palindrome (1313454543131).

The spelling of 1112222321020 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, three hundred twenty-one thousand, twenty".