10111221007 has 2 divisors, whose sum is σ = 10111221008. Its totient is φ = 10111221006.

The previous prime is 10111220929. The next prime is 10111221011. The reversal of 10111221007 is 70012211101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10111221007 - 2¹⁵ = 10111188239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111221017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055610503 + 5055610504.

It is an arithmetic number, because the mean of its divisors is an integer number (5055610504).

Almost surely, 2^10111221007 is an apocalyptic number.

10111221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111221007 is an equidigital number, since it uses as much as digits as its factorization.

10111221007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 10111221007 its reverse (70012211101), we get a palindrome (80123432108).

The spelling of 10111221007 in words is "ten billion, one hundred eleven million, two hundred twenty-one thousand, seven".