10402240111 has 4 divisors (see below), whose sum is σ = 10402575424. Its totient is φ = 10401904800.

The previous prime is 10402240097. The next prime is 10402240127. The reversal of 10402240111 is 11104220401.

It is a happy number.

10402240111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10402240111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402240151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115770 + ... + 184951.

It is an arithmetic number, because the mean of its divisors is an integer number (2600643856).

Almost surely, 2^10402240111 is an apocalyptic number.

10402240111 is a deficient number, since it is larger than the sum of its proper divisors (335313).

10402240111 is an equidigital number, since it uses as much as digits as its factorization.

10402240111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335312.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10402240111 its reverse (11104220401), we get a palindrome (21506460512).

The spelling of 10402240111 in words is "ten billion, four hundred two million, two hundred forty thousand, one hundred eleven".