222001211120 has 40 divisors (see below), whose sum is σ = 555856881216. Its totient is φ = 81969677568.

The previous prime is 222001211119. The next prime is 222001211123. The reversal of 222001211120 is 21112100222.

222001211120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 222001211095 and 222001211104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001211123) 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 7 ways as a sum of consecutive naturals, for example, 106730312 + ... + 106732391.

Almost surely, 2^222001211120 is an apocalyptic number.

222001211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001211120 is an abundant number, since it is smaller than the sum of its proper divisors (333855670096).

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

222001211120 is a wasteful number, since it uses less digits than its factorization.

222001211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213462729 (or 213462723 counting only the distinct ones).

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

Adding to 222001211120 its reverse (21112100222), we get a palindrome (243113311342).

The spelling of 222001211120 in words is "two hundred twenty-two billion, one million, two hundred eleven thousand, one hundred twenty".