11110012001 has 6 divisors (see below), whose sum is σ = 12211831506. Its totient is φ = 10100010800.

The previous prime is 11110011971. The next prime is 11110012003. The reversal of 11110012001 is 10021001111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9835878976 + 1274133025 = 99176^2 + 35695^2 .

It is not a de Polignac number, because 11110012001 - 2¹⁸ = 11109749857 is a prime.

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 11110012001.

It is not an unprimeable number, because it can be changed into a prime (11110012003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45909020 + ... + 45909261.

It is an arithmetic number, because the mean of its divisors is an integer number (2035305251).

Almost surely, 2^11110012001 is an apocalyptic number.

11110012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11110012001 is a deficient number, since it is larger than the sum of its proper divisors (1101819505).

11110012001 is an equidigital number, since it uses as much as digits as its factorization.

11110012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91818303 (or 91818292 counting only the distinct ones).

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

Adding to 11110012001 its reverse (10021001111), we get a palindrome (21131013112).

The spelling of 11110012001 in words is "eleven billion, one hundred ten million, twelve thousand, one".