2222021121201 has 20 divisors (see below), whose sum is σ = 3793503431872. Its totient is φ = 1269726354648.

The previous prime is 2222021121167. The next prime is 2222021121247. The reversal of 2222021121201 is 1021211202222.

It is a happy number.

2222021121201 is a `hidden beast` number, since 22 + 220 + 211 + 212 + 0 + 1 = 666.

It is not a de Polignac number, because 2222021121201 - 2²⁶ = 2221954012337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222021122201) 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 19 ways as a sum of consecutive naturals, for example, 1959453685 + ... + 1959454818.

Almost surely, 2^{2222021121201} is an apocalyptic number.

2222021121201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2222021121201 is a deficient number, since it is larger than the sum of its proper divisors (1571482310671).

2222021121201 is an equidigital number, since it uses as much as digits as its factorization.

2222021121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918908522 (or 3918908513 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222021121201 its reverse (1021211202222), we get a palindrome (3243232323423).

The spelling of 2222021121201 in words is "two trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty-one thousand, two hundred one".