1110220401 has 4 divisors (see below), whose sum is σ = 1480293872. Its totient is φ = 740146932.

The previous prime is 1110220357. The next prime is 1110220421. The reversal of 1110220401 is 1040220111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1110220401 - 2⁹ = 1110219889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110220421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185036731 + ... + 185036736.

It is an arithmetic number, because the mean of its divisors is an integer number (370073468).

Almost surely, 2^1110220401 is an apocalyptic number.

It is an amenable number.

1110220401 is a deficient number, since it is larger than the sum of its proper divisors (370073471).

1110220401 is an equidigital number, since it uses as much as digits as its factorization.

1110220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370073470.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1110220401 is about 33319.9700029877. The cubic root of 1110220401 is about 1035.4673303222.

Adding to 1110220401 its reverse (1040220111), we get a palindrome (2150440512).

The spelling of 1110220401 in words is "one billion, one hundred ten million, two hundred twenty thousand, four hundred one".