21004203022 has 8 divisors (see below), whose sum is σ = 34370514072. Its totient is φ = 9547365000.

The previous prime is 21004202993. The next prime is 21004203029. The reversal of 21004203022 is 22030240012.

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

It is a super-3 number, since 3×21004203022³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21004202987 and 21004203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21004203029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477368229 + ... + 477368272.

It is an arithmetic number, because the mean of its divisors is an integer number (4296314259).

Almost surely, 2^21004203022 is an apocalyptic number.

21004203022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21004203022 is a deficient number, since it is larger than the sum of its proper divisors (13366311050).

21004203022 is a wasteful number, since it uses less digits than its factorization.

21004203022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954736514.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 21004203022 its reverse (22030240012), we get a palindrome (43034443034).

The spelling of 21004203022 in words is "twenty-one billion, four million, two hundred three thousand, twenty-two".