21119996 has 6 divisors (see below), whose sum is σ = 36960000. Its totient is φ = 10559996.

The previous prime is 21119953. The next prime is 21119999. The reversal of 21119996 is 69991112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21119999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639996 + ... + 2640003.

It is an arithmetic number, because the mean of its divisors is an integer number (6160000).

Almost surely, 2^21119996 is an apocalyptic number.

It is an amenable number.

21119996 is a deficient number, since it is larger than the sum of its proper divisors (15840004).

21119996 is a wasteful number, since it uses less digits than its factorization.

21119996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280003 (or 5280001 counting only the distinct ones).

The product of its digits is 8748, while the sum is 38.

The square root of 21119996 is about 4595.6496820363. The cubic root of 21119996 is about 276.4169117499.

The spelling of 21119996 in words is "twenty-one million, one hundred nineteen thousand, nine hundred ninety-six".