120022111220 has 24 divisors (see below), whose sum is σ = 274959746208. Its totient is φ = 43644404000.

The previous prime is 120022111207. The next prime is 120022111277. The reversal of 120022111220 is 22111220021.

It is a junction number, because it is equal to n+sod(n) for n = 120022111195 and 120022111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272777306 + ... + 272777745.

It is an arithmetic number, because the mean of its divisors is an integer number (11456656092).

Almost surely, 2^120022111220 is an apocalyptic number.

120022111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022111220 is an abundant number, since it is smaller than the sum of its proper divisors (154937634988).

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

120022111220 is a wasteful number, since it uses less digits than its factorization.

120022111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545555071 (or 545555069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120022111220 its reverse (22111220021), we get a palindrome (142133331241).

The spelling of 120022111220 in words is "one hundred twenty billion, twenty-two million, one hundred eleven thousand, two hundred twenty".