2221213330001 has 2 divisors, whose sum is σ = 2221213330002. Its totient is φ = 2221213330000.

The previous prime is 2221213329997. The next prime is 2221213330051. The reversal of 2221213330001 is 1000333121222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1761632380225 + 459580949776 = 1327265^2 + 677924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221213330001 - 2² = 2221213329997 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221213330051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110606665000 + 1110606665001.

It is an arithmetic number, because the mean of its divisors is an integer number (1110606665001).

Almost surely, 2^{2221213330001} is an apocalyptic number.

It is an amenable number.

2221213330001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221213330001 is an equidigital number, since it uses as much as digits as its factorization.

2221213330001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2221213330001 its reverse (1000333121222), we get a palindrome (3221546451223).

The spelling of 2221213330001 in words is "two trillion, two hundred twenty-one billion, two hundred thirteen million, three hundred thirty thousand, one".