2221120023201 has 32 divisors (see below), whose sum is σ = 3296385665280. Its totient is φ = 1478121136128.

The previous prime is 2221120023163. The next prime is 2221120023203. The reversal of 2221120023201 is 1023200211222.

2221120023201 is a `hidden beast` number, since 2 + 221 + 120 + 0 + 2 + 320 + 1 = 666.

It is not a de Polignac number, because 2221120023201 - 2⁹ = 2221120022689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221120023203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68840865 + ... + 68873121.

It is an arithmetic number, because the mean of its divisors is an integer number (103012052040).

Almost surely, 2^{2221120023201} is an apocalyptic number.

It is an amenable number.

2221120023201 is a deficient number, since it is larger than the sum of its proper divisors (1075265642079).

2221120023201 is a wasteful number, since it uses less digits than its factorization.

2221120023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36710 (or 36704 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2221120023201 its reverse (1023200211222), we get a palindrome (3244320234423).

The spelling of 2221120023201 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, twenty-three thousand, two hundred one".