2222001220120 has 64 divisors (see below), whose sum is σ = 5454157420800. Its totient is φ = 807977566080.

The previous prime is 2222001220067. The next prime is 2222001220121. The reversal of 2222001220120 is 210221002222.

It is a junction number, because it is equal to n+sod(n) for n = 2222001220094 and 2222001220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222001220121) 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, 27973821 + ... + 28053139.

It is an arithmetic number, because the mean of its divisors is an integer number (85221209700).

Almost surely, 2^{2222001220120} is an apocalyptic number.

2222001220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222001220120 is an abundant number, since it is smaller than the sum of its proper divisors (3232156200680).

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

2222001220120 is a wasteful number, since it uses less digits than its factorization.

2222001220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143008 (or 143004 counting only the distinct ones).

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

Adding to 2222001220120 its reverse (210221002222), we get a palindrome (2432222222342).

The spelling of 2222001220120 in words is "two trillion, two hundred twenty-two billion, one million, two hundred twenty thousand, one hundred twenty".