111322121120 has 48 divisors (see below), whose sum is σ = 300569730048. Its totient is φ = 38167584000.

The previous prime is 111322121117. The next prime is 111322121123. The reversal of 111322121120 is 21121223111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111322121117) and next prime (111322121123).

It is a super-2 number, since 2×111322121120² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111322121123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49696256 + ... + 49698495.

It is an arithmetic number, because the mean of its divisors is an integer number (6261869376).

Almost surely, 2^111322121120 is an apocalyptic number.

111322121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111322121120 is an abundant number, since it is smaller than the sum of its proper divisors (189247608928).

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

111322121120 is an equidigital number, since it uses as much as digits as its factorization.

111322121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99394773 (or 99394765 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111322121120 its reverse (21121223111), we get a palindrome (132443344231).

The spelling of 111322121120 in words is "one hundred eleven billion, three hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty".