21220500083 has 8 divisors (see below), whose sum is σ = 21427731600. Its totient is φ = 21013496928.

The previous prime is 21220500001. The next prime is 21220500101. The reversal of 21220500083 is 38000502212.

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 21220500083 - 2⁸ = 21220499827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21220500283) 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, 132728 + ... + 245066.

It is an arithmetic number, because the mean of its divisors is an integer number (2678466450).

Almost surely, 2^21220500083 is an apocalyptic number.

21220500083 is a deficient number, since it is larger than the sum of its proper divisors (207231517).

21220500083 is a wasteful number, since it uses less digits than its factorization.

21220500083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114181.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 21220500083 in words is "twenty-one billion, two hundred twenty million, five hundred thousand, eighty-three".