111010401 has 12 divisors (see below), whose sum is σ = 160439760. Its totient is φ = 73964760.

The previous prime is 111010399. The next prime is 111010421. The reversal of 111010401 is 104010111.

It is not a de Polignac number, because 111010401 - 2¹ = 111010399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111010421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28510 + ... + 32168.

It is an arithmetic number, because the mean of its divisors is an integer number (13369980).

Almost surely, 2^111010401 is an apocalyptic number.

It is an amenable number.

111010401 is a deficient number, since it is larger than the sum of its proper divisors (49429359).

111010401 is a wasteful number, since it uses less digits than its factorization.

111010401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7036 (or 7033 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 111010401 is about 10536.1473509058. The cubic root of 111010401 is about 480.6045637484.

Adding to 111010401 its reverse (104010111), we get a palindrome (215020512).

It can be divided in two parts, 1110 and 10401, that added together give a palindrome (11511).

The spelling of 111010401 in words is "one hundred eleven million, ten thousand, four hundred one".