2221213220297 has 16 divisors (see below), whose sum is σ = 2491686696960. Its totient is φ = 1969989758352.

The previous prime is 2221213220263. The next prime is 2221213220357. The reversal of 2221213220297 is 7920223121222.

It is a de Polignac number, because none of the positive numbers 2^k-2221213220297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221213220197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54052523 + ... + 54093600.

It is an arithmetic number, because the mean of its divisors is an integer number (155730418560).

Almost surely, 2^{2221213220297} is an apocalyptic number.

It is an amenable number.

2221213220297 is a deficient number, since it is larger than the sum of its proper divisors (270473476663).

2221213220297 is a wasteful number, since it uses less digits than its factorization.

2221213220297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108146212.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 2221213220297 in words is "two trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred twenty thousand, two hundred ninety-seven".