11110421 has 8 divisors (see below), whose sum is σ = 13366080. Its totient is φ = 9021888.

The previous prime is 11110417. The next prime is 11110423. The reversal of 11110421 is 12401111.

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 11110421 - 2² = 11110417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110423) 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, 41636 + ... + 41901.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^11110421 is an apocalyptic number.

It is an amenable number.

11110421 is a deficient number, since it is larger than the sum of its proper divisors (2255659).

11110421 is an equidigital number, since it uses as much as digits as its factorization.

11110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83563.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11110421 is about 3333.2298150593. The cubic root of 11110421 is about 223.1396967672.

Adding to 11110421 its reverse (12401111), we get a palindrome (23511532).

The spelling of 11110421 in words is "eleven million, one hundred ten thousand, four hundred twenty-one".