2221021300133 has 2 divisors, whose sum is σ = 2221021300134. Its totient is φ = 2221021300132.

The previous prime is 2221021300129. The next prime is 2221021300139. The reversal of 2221021300133 is 3310031201222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1257015441889 + 964005858244 = 1121167^2 + 981838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221021300133 - 2² = 2221021300129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221021300139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110510650066 + 1110510650067.

It is an arithmetic number, because the mean of its divisors is an integer number (1110510650067).

Almost surely, 2^{2221021300133} is an apocalyptic number.

It is an amenable number.

2221021300133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221021300133 is an equidigital number, since it uses as much as digits as its factorization.

2221021300133 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 2221021300133 its reverse (3310031201222), we get a palindrome (5531052501355).

The spelling of 2221021300133 in words is "two trillion, two hundred twenty-one billion, twenty-one million, three hundred thousand, one hundred thirty-three".