1110420111 has 4 divisors (see below), whose sum is σ = 1480560152. Its totient is φ = 740280072.

The previous prime is 1110420107. The next prime is 1110420133. The reversal of 1110420111 is 1110240111.

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

It is not a de Polignac number, because 1110420111 - 2² = 1110420107 is a prime.

It is a super-3 number, since 3×1110420111³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110420511) 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, 185070016 + ... + 185070021.

It is an arithmetic number, because the mean of its divisors is an integer number (370140038).

Almost surely, 2^1110420111 is an apocalyptic number.

1110420111 is a deficient number, since it is larger than the sum of its proper divisors (370140041).

1110420111 is an equidigital number, since it uses as much as digits as its factorization.

1110420111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370140040.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1110420111 is about 33322.9667196665. The cubic root of 1110420111 is about 1035.5294143259.

Adding to 1110420111 its reverse (1110240111), we get a palindrome (2220660222).

The spelling of 1110420111 in words is "one billion, one hundred ten million, four hundred twenty thousand, one hundred eleven".