22002112200120 has 128 divisors (see below), whose sum is σ = 71085316357440. Its totient is φ = 5415784980480.

The previous prime is 22002112200119. The next prime is 22002112200191. The reversal of 22002112200120 is 2100221120022.

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 22002112200120.

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 31 ways as a sum of consecutive naturals, for example, 85704592 + ... + 85960928.

Almost surely, 2^{22002112200120} is an apocalyptic number.

22002112200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002112200120 is an abundant number, since it is smaller than the sum of its proper divisors (49083204157320).

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

22002112200120 is a wasteful number, since it uses less digits than its factorization.

22002112200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311385 (or 311381 counting only the distinct ones).

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

Adding to 22002112200120 its reverse (2100221120022), we get a palindrome (24102333320142).

The spelling of 22002112200120 in words is "twenty-two trillion, two billion, one hundred twelve million, two hundred thousand, one hundred twenty".