21503883022 has 8 divisors (see below), whose sum is σ = 32942118816. Its totient is φ = 10523176752.

The previous prime is 21503883013. The next prime is 21503883041. The reversal of 21503883022 is 22038830512.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 114382263 + ... + 114382450.

It is an arithmetic number, because the mean of its divisors is an integer number (4117764852).

Almost surely, 2^21503883022 is an apocalyptic number.

21503883022 is a deficient number, since it is larger than the sum of its proper divisors (11438235794).

21503883022 is a wasteful number, since it uses less digits than its factorization.

21503883022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228764762.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 21503883022 in words is "twenty-one billion, five hundred three million, eight hundred eighty-three thousand, twenty-two".