7021112001 has 8 divisors (see below), whose sum is σ = 9362368224. Its totient is φ = 4680298560.

The previous prime is 7021111991. The next prime is 7021112003. The reversal of 7021112001 is 1002111207.

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-7021112001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7021112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71736 + ... + 138521.

It is an arithmetic number, because the mean of its divisors is an integer number (1170296028).

Almost surely, 2^7021112001 is an apocalyptic number.

It is an amenable number.

7021112001 is a deficient number, since it is larger than the sum of its proper divisors (2341256223).

7021112001 is a wasteful number, since it uses less digits than its factorization.

7021112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221391.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 7021112001 is about 83792.0760036413. The cubic root of 7021112001 is about 1914.8523861885.

Adding to 7021112001 its reverse (1002111207), we get a palindrome (8023223208).

The spelling of 7021112001 in words is "seven billion, twenty-one million, one hundred twelve thousand, one".