120022222120 has 32 divisors (see below), whose sum is σ = 270105143400. Its totient is φ = 47999085568.

The previous prime is 120022222097. The next prime is 120022222153. The reversal of 120022222120 is 21222220021.

It can be written as a sum of positive squares in 4 ways, for example, as 108824772996 + 11197449124 = 329886^2 + 105818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120022222094 and 120022222103.

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 7 ways as a sum of consecutive naturals, for example, 106405 + ... + 501364.

Almost surely, 2^120022222120 is an apocalyptic number.

120022222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022222120 is an abundant number, since it is smaller than the sum of its proper divisors (150082921280).

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

120022222120 is a wasteful number, since it uses less digits than its factorization.

120022222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612717 (or 612713 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 120022222120 its reverse (21222220021), we get a palindrome (141244442141).

The spelling of 120022222120 in words is "one hundred twenty billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty".