111322213120 has 36 divisors (see below), whose sum is σ = 266651491680. Its totient is φ = 44528884736.

The previous prime is 111322213117. The next prime is 111322213133. The reversal of 111322213120 is 21312223111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43483960 + ... + 43486519.

It is an arithmetic number, because the mean of its divisors is an integer number (7406985880).

Almost surely, 2^111322213120 is an apocalyptic number.

111322213120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111322213120 is an abundant number, since it is smaller than the sum of its proper divisors (155329278560).

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

111322213120 is an frugal number, since it uses more digits than its factorization.

111322213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86970500 (or 86970486 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111322213120 its reverse (21312223111), we get a palindrome (132634436231).

Subtracting from 111322213120 its reverse (21312223111), we obtain a palindrome (90009990009).

The spelling of 111322213120 in words is "one hundred eleven billion, three hundred twenty-two million, two hundred thirteen thousand, one hundred twenty".