8021119081 has 8 divisors (see below), whose sum is σ = 8038973664. Its totient is φ = 8003281440.

The previous prime is 8021119063. The next prime is 8021119133. The reversal of 8021119081 is 1809111208.

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

It is a cyclic number.

It is not a de Polignac number, because 8021119081 - 2⁹ = 8021118569 is a prime.

It is a super-2 number, since 2×8021119081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8021119031) 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, 1460166 + ... + 1465648.

It is an arithmetic number, because the mean of its divisors is an integer number (1004871708).

Almost surely, 2^8021119081 is an apocalyptic number.

It is an amenable number.

8021119081 is a deficient number, since it is larger than the sum of its proper divisors (17854583).

8021119081 is a wasteful number, since it uses less digits than its factorization.

8021119081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471.

The product of its (nonzero) digits is 1152, while the sum is 31.

The square root of 8021119081 is about 89560.7005387966. The cubic root of 8021119081 is about 2001.7583770187.

The spelling of 8021119081 in words is "eight billion, twenty-one million, one hundred nineteen thousand, eighty-one".