222120200122028 has 48 divisors (see below), whose sum is σ = 428533250135424. Its totient is φ = 100097474561280.

The previous prime is 222120200122027. The next prime is 222120200122043. The reversal of 222120200122028 is 820221002021222.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 222120200121988 and 222120200122006.

It is not an unprimeable number, because it can be changed into a prime (222120200122027) by changing a digit.

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, 106909175 + ... + 108967022.

It is an arithmetic number, because the mean of its divisors is an integer number (8927776044488).

Almost surely, 2^{222120200122028} is an apocalyptic number.

It is an amenable number.

222120200122028 is a deficient number, since it is larger than the sum of its proper divisors (206413050013396).

222120200122028 is a wasteful number, since it uses less digits than its factorization.

222120200122028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215876682 (or 215876680 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The spelling of 222120200122028 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-two thousand, twenty-eight".