111222230120 has 64 divisors (see below), whose sum is σ = 256420034640. Its totient is φ = 43392563200.

The previous prime is 111222230107. The next prime is 111222230123. The reversal of 111222230120 is 21032222111.

It can be written as a sum of positive squares in 8 ways, for example, as 15138349444 + 96083880676 = 123038^2 + 309974^2 .

It is not an unprimeable number, because it can be changed into a prime (111222230123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9409334 + ... + 9421146.

Almost surely, 2^111222230120 is an apocalyptic number.

111222230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222230120 is an abundant number, since it is smaller than the sum of its proper divisors (145197804520).

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

111222230120 is a wasteful number, since it uses less digits than its factorization.

111222230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17606 (or 17602 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111222230120 its reverse (21032222111), we get a palindrome (132254452231).

The spelling of 111222230120 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred thirty thousand, one hundred twenty".