21022233303 has 32 divisors (see below), whose sum is σ = 30206545920. Its totient is φ = 12957073920.

The previous prime is 21022233263. The next prime is 21022233311. The reversal of 21022233303 is 30333222012.

It is not a de Polignac number, because 21022233303 - 2¹⁰ = 21022232279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21022233303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022233203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 992538 + ... + 1013496.

It is an arithmetic number, because the mean of its divisors is an integer number (943954560).

Almost surely, 2^21022233303 is an apocalyptic number.

21022233303 is a deficient number, since it is larger than the sum of its proper divisors (9184312617).

21022233303 is a wasteful number, since it uses less digits than its factorization.

21022233303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21022233303 its reverse (30333222012), we get a palindrome (51355455315).

The spelling of 21022233303 in words is "twenty-one billion, twenty-two million, two hundred thirty-three thousand, three hundred three".