110402421 has 8 divisors (see below), whose sum is σ = 149066880. Its totient is φ = 72669792.

The previous prime is 110402417. The next prime is 110402429. The reversal of 110402421 is 124204011.

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

It is not a de Polignac number, because 110402421 - 2² = 110402417 is a prime.

It is a super-2 number, since 2×110402421² = 24377389125322482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110402421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110402429) 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, 232680 + ... + 233153.

It is an arithmetic number, because the mean of its divisors is an integer number (18633360).

Almost surely, 2^110402421 is an apocalyptic number.

It is an amenable number.

110402421 is a deficient number, since it is larger than the sum of its proper divisors (38664459).

110402421 is an equidigital number, since it uses as much as digits as its factorization.

110402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465915.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 110402421 is about 10507.2556359879. The cubic root of 110402421 is about 479.7255679543.

Adding to 110402421 its reverse (124204011), we get a palindrome (234606432).

The spelling of 110402421 in words is "one hundred ten million, four hundred two thousand, four hundred twenty-one".