1111442201 has 8 divisors (see below), whose sum is σ = 1179509760. Its totient is φ = 1043673408.

The previous prime is 1111442191. The next prime is 1111442209. The reversal of 1111442201 is 1022441111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111442201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111442201.

It is not an unprimeable number, because it can be changed into a prime (1111442209) 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, 67001 + ... + 81926.

It is an arithmetic number, because the mean of its divisors is an integer number (147438720).

Almost surely, 2^1111442201 is an apocalyptic number.

It is an amenable number.

1111442201 is a deficient number, since it is larger than the sum of its proper divisors (68067559).

1111442201 is a wasteful number, since it uses less digits than its factorization.

1111442201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149383.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1111442201 is about 33338.2993117525. The cubic root of 1111442201 is about 1035.8470357610.

Adding to 1111442201 its reverse (1022441111), we get a palindrome (2133883312).

The spelling of 1111442201 in words is "one billion, one hundred eleven million, four hundred forty-two thousand, two hundred one".