120022121112 has 64 divisors (see below), whose sum is σ = 302944561920. Its totient is φ = 39623875968.

The previous prime is 120022121081. The next prime is 120022121123. The reversal of 120022121112 is 211121220021.

It is a super-2 number, since 2×120022121112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120022121091 and 120022121100.

It is a congruent number.

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, 1056163 + ... + 1164269.

It is an arithmetic number, because the mean of its divisors is an integer number (4733508780).

Almost surely, 2^120022121112 is an apocalyptic number.

120022121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120022121112 is an abundant number, since it is smaller than the sum of its proper divisors (182922440808).

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

120022121112 is a wasteful number, since it uses less digits than its factorization.

120022121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108560 (or 108556 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120022121112 its reverse (211121220021), we get a palindrome (331143341133).

The spelling of 120022121112 in words is "one hundred twenty billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".