10121440207 has 2 divisors, whose sum is σ = 10121440208. Its totient is φ = 10121440206.

The previous prime is 10121440159. The next prime is 10121440223. The reversal of 10121440207 is 70204412101.

It is a strong prime.

It is an emirp because it is prime and its reverse (70204412101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10121440207 - 2⁷ = 10121440079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121440247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060720103 + 5060720104.

It is an arithmetic number, because the mean of its divisors is an integer number (5060720104).

Almost surely, 2^10121440207 is an apocalyptic number.

10121440207 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121440207 is an equidigital number, since it uses as much as digits as its factorization.

10121440207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 10121440207 its reverse (70204412101), we get a palindrome (80325852308).

The spelling of 10121440207 in words is "ten billion, one hundred twenty-one million, four hundred forty thousand, two hundred seven".