7021120216 has 16 divisors (see below), whose sum is σ = 14361382440. Its totient is φ = 3191418240.

The previous prime is 7021120201. The next prime is 7021120229. The reversal of 7021120216 is 6120211207.

It is a happy number.

It is a super-2 number, since 2×7021120216² = 98592258175047773312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39892641 + ... + 39892816.

Almost surely, 2^7021120216 is an apocalyptic number.

It is an amenable number.

7021120216 is an abundant number, since it is smaller than the sum of its proper divisors (7340262224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7021120216 is a wasteful number, since it uses less digits than its factorization.

7021120216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79785474 (or 79785470 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 7021120216 is about 83792.1250237754. The cubic root of 7021120216 is about 1914.8531330078.

Subtracting from 7021120216 its reverse (6120211207), we obtain a palindrome (900909009).

The spelling of 7021120216 in words is "seven billion, twenty-one million, one hundred twenty thousand, two hundred sixteen".