20221011321 has 8 divisors (see below), whose sum is σ = 30812969664. Its totient is φ = 11554863600.

The previous prime is 20221011287. The next prime is 20221011323. The reversal of 20221011321 is 12311012202.

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

It is not a de Polignac number, because 20221011321 - 2¹¹ = 20221009273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20221011321.

It is not an unprimeable number, because it can be changed into a prime (20221011323) 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, 481452630 + ... + 481452671.

It is an arithmetic number, because the mean of its divisors is an integer number (3851621208).

Almost surely, 2^20221011321 is an apocalyptic number.

20221011321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20221011321 is a deficient number, since it is larger than the sum of its proper divisors (10591958343).

20221011321 is an equidigital number, since it uses as much as digits as its factorization.

20221011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962905311.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20221011321 its reverse (12311012202), we get a palindrome (32532023523).

It can be divided in two parts, 202210 and 11321, that added together give a triangular number (213531 = T₆₅₃).

The spelling of 20221011321 in words is "twenty billion, two hundred twenty-one million, eleven thousand, three hundred twenty-one".