221000010101207 has 2 divisors, whose sum is σ = 221000010101208. Its totient is φ = 221000010101206.

The previous prime is 221000010101201. The next prime is 221000010101279. The reversal of 221000010101207 is 702101010000122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221000010101207 - 2⁸ = 221000010100951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221000010101201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500005050603 + 110500005050604.

It is an arithmetic number, because the mean of its divisors is an integer number (110500005050604).

Almost surely, 2^{221000010101207} is an apocalyptic number.

221000010101207 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000010101207 is an equidigital number, since it uses as much as digits as its factorization.

221000010101207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 221000010101207 its reverse (702101010000122), we get a palindrome (923101020101329).

The spelling of 221000010101207 in words is "two hundred twenty-one trillion, ten million, one hundred one thousand, two hundred seven".