7021112002 has 4 divisors (see below), whose sum is σ = 10531668006. Its totient is φ = 3510556000.

The previous prime is 7021111991. The next prime is 7021112003. The reversal of 7021112002 is 2002111207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4366698561 + 2654413441 = 66081^2 + 51521^2 .

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 as a sum of consecutive naturals, namely, 1755277999 + ... + 1755278002.

Almost surely, 2^7021112002 is an apocalyptic number.

7021112002 is a deficient number, since it is larger than the sum of its proper divisors (3510556004).

7021112002 is a wasteful number, since it uses less digits than its factorization.

7021112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510556003.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 7021112002 is about 83792.0760096085. The cubic root of 7021112002 is about 1914.8523862794.

Adding to 7021112002 its reverse (2002111207), we get a palindrome (9023223209).

The spelling of 7021112002 in words is "seven billion, twenty-one million, one hundred twelve thousand, two".