11011120001 has 8 divisors (see below), whose sum is σ = 12584778624. Its totient is φ = 9437621760.

The previous prime is 11011119991. The next prime is 11011120009. The reversal of 11011120001 is 10002111011.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-11011120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011120009) 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, 216641 + ... + 262593.

It is an arithmetic number, because the mean of its divisors is an integer number (1573097328).

Almost surely, 2^11011120001 is an apocalyptic number.

It is an amenable number.

11011120001 is a deficient number, since it is larger than the sum of its proper divisors (1573658623).

11011120001 is an equidigital number, since it uses as much as digits as its factorization.

11011120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80191.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11011120001 its reverse (10002111011), we get a palindrome (21013231012).

The spelling of 11011120001 in words is "eleven billion, eleven million, one hundred twenty thousand, one".