221100221001007 has 2 divisors, whose sum is σ = 221100221001008. Its totient is φ = 221100221001006.

The previous prime is 221100221001001. The next prime is 221100221001097. The reversal of 221100221001007 is 700100122001122.

221100221001007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221100221001007 - 2⁴³ = 212304127978799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221100221001001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550110500503 + 110550110500504.

It is an arithmetic number, because the mean of its divisors is an integer number (110550110500504).

Almost surely, 2^{221100221001007} is an apocalyptic number.

221100221001007 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100221001007 is an equidigital number, since it uses as much as digits as its factorization.

221100221001007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 221100221001007 its reverse (700100122001122), we get a palindrome (921200343002129).

The spelling of 221100221001007 in words is "two hundred twenty-one trillion, one hundred billion, two hundred twenty-one million, one thousand, seven".