10420111 has 8 divisors (see below), whose sum is σ = 11254320. Its totient is φ = 9590592.

The previous prime is 10420103. The next prime is 10420129. The reversal of 10420111 is 11102401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10420111 - 2³ = 10420103 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 (10420181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4491 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (1406790).

Almost surely, 2^10420111 is an apocalyptic number.

10420111 is a deficient number, since it is larger than the sum of its proper divisors (834209).

10420111 is a wasteful number, since it uses less digits than its factorization.

10420111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 10420111 is about 3228.0196715634. The cubic root of 10420111 is about 218.4191847500.

Adding to 10420111 its reverse (11102401), we get a palindrome (21522512).

The spelling of 10420111 in words is "ten million, four hundred twenty thousand, one hundred eleven".