22021012003 has 8 divisors (see below), whose sum is σ = 22098308096. Its totient is φ = 21943845000.

The previous prime is 22021011983. The next prime is 22021012049. The reversal of 22021012003 is 30021012022.

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 22021012003 - 2²¹ = 22018914851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021012303) 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, 316048 + ... + 379378.

It is an arithmetic number, because the mean of its divisors is an integer number (2762288512).

Almost surely, 2^22021012003 is an apocalyptic number.

22021012003 is a deficient number, since it is larger than the sum of its proper divisors (77296093).

22021012003 is an equidigital number, since it uses as much as digits as its factorization.

22021012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64545.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22021012003 its reverse (30021012022), we get a palindrome (52042024025).

The spelling of 22021012003 in words is "twenty-two billion, twenty-one million, twelve thousand, three".