11120001001 has 8 divisors (see below), whose sum is σ = 11312317440. Its totient is φ = 10929321648.

The previous prime is 11120000993. The next prime is 11120001023. The reversal of 11120001001 is 10010002111.

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

It is a cyclic number.

It is not a de Polignac number, because 11120001001 - 2³ = 11120000993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120001071) 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, 395566 + ... + 422743.

It is an arithmetic number, because the mean of its divisors is an integer number (1414039680).

Almost surely, 2^11120001001 is an apocalyptic number.

It is an amenable number.

11120001001 is a deficient number, since it is larger than the sum of its proper divisors (192316439).

11120001001 is a wasteful number, since it uses less digits than its factorization.

11120001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818543.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11120001001 its reverse (10010002111), we get a palindrome (21130003112).

The spelling of 11120001001 in words is "eleven billion, one hundred twenty million, one thousand, one".