111122100022120 has 64 divisors (see below), whose sum is σ = 273314316355200. Its totient is φ = 40325062913280.

The previous prime is 111122100022103. The next prime is 111122100022159. The reversal of 111122100022120 is 21220001221111.

It is a super-2 number, since 2×111122100022120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111122100022094 and 111122100022103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259077535 + ... + 259506094.

It is an arithmetic number, because the mean of its divisors is an integer number (4270536193050).

Almost surely, 2^{111122100022120} is an apocalyptic number.

111122100022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122100022120 is an abundant number, since it is smaller than the sum of its proper divisors (162192216333080).

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

111122100022120 is a wasteful number, since it uses less digits than its factorization.

111122100022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518584138 (or 518584134 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111122100022120 its reverse (21220001221111), we get a palindrome (132342101243231).

The spelling of 111122100022120 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred million, twenty-two thousand, one hundred twenty".