107421911 has 2 divisors, whose sum is σ = 107421912. Its totient is φ = 107421910.

The previous prime is 107421889. The next prime is 107421917. The reversal of 107421911 is 119124701.

It is a strong prime.

It is an emirp because it is prime and its reverse (119124701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107421911 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107421917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53710955 + 53710956.

It is an arithmetic number, because the mean of its divisors is an integer number (53710956).

Almost surely, 2^107421911 is an apocalyptic number.

107421911 is a deficient number, since it is larger than the sum of its proper divisors (1).

107421911 is an equidigital number, since it uses as much as digits as its factorization.

107421911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 107421911 is about 10364.4542065658. The cubic root of 107421911 is about 475.3691106982.

The spelling of 107421911 in words is "one hundred seven million, four hundred twenty-one thousand, nine hundred eleven".