221299036345007 has 2 divisors, whose sum is σ = 221299036345008. Its totient is φ = 221299036345006.

The previous prime is 221299036344949. The next prime is 221299036345019. The reversal of 221299036345007 is 700543630992122.

It is a happy number.

221299036345007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221299036345007 - 2⁶ = 221299036344943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221299036345007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221299036344007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110649518172503 + 110649518172504.

It is an arithmetic number, because the mean of its divisors is an integer number (110649518172504).

Almost surely, 2^{221299036345007} is an apocalyptic number.

221299036345007 is a deficient number, since it is larger than the sum of its proper divisors (1).

221299036345007 is an equidigital number, since it uses as much as digits as its factorization.

221299036345007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 221299036345007 in words is "two hundred twenty-one trillion, two hundred ninety-nine billion, thirty-six million, three hundred forty-five thousand, seven".