120022112220 has 24 divisors (see below), whose sum is σ = 336061914384. Its totient is φ = 32005896576.

The previous prime is 120022112141. The next prime is 120022112291. The reversal of 120022112220 is 22211220021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120022112220.

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, 1000184209 + ... + 1000184328.

It is an arithmetic number, because the mean of its divisors is an integer number (14002579766).

Almost surely, 2^120022112220 is an apocalyptic number.

120022112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022112220 is an abundant number, since it is smaller than the sum of its proper divisors (216039802164).

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

120022112220 is a wasteful number, since it uses less digits than its factorization.

120022112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000368549 (or 2000368547 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120022112220 its reverse (22211220021), we get a palindrome (142233332241).

The spelling of 120022112220 in words is "one hundred twenty billion, twenty-two million, one hundred twelve thousand, two hundred twenty".