11120001 has 8 divisors (see below), whose sum is σ = 14842080. Its totient is φ = 7405632.

The previous prime is 11119987. The next prime is 11120009. The reversal of 11120001 is 10002111.

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

It is not a de Polignac number, because 11120001 - 2¹³ = 11111809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11120009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4630 + ... + 6608.

It is an arithmetic number, because the mean of its divisors is an integer number (1855260).

Almost surely, 2^11120001 is an apocalyptic number.

It is an amenable number.

11120001 is a deficient number, since it is larger than the sum of its proper divisors (3722079).

11120001 is a wasteful number, since it uses less digits than its factorization.

11120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 11120001 is about 3334.6665500466. Note that the first 3 decimals coincide. The cubic root of 11120001 is about 223.2038126749.

Adding to 11120001 its reverse (10002111), we get a palindrome (21122112).

Multiplying 11120001 by its reverse (10002111), we get a palindrome (111223484322111).

The spelling of 11120001 in words is "eleven million, one hundred twenty thousand, one".