20221321020311 has 24 divisors (see below), whose sum is σ = 21635079959952. Its totient is φ = 18834525248000.

The previous prime is 20221321020301. The next prime is 20221321020317. The reversal of 20221321020311 is 11302012312202.

It is not a de Polignac number, because 20221321020311 - 2⁶ = 20221321020247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221321020317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383745476 + ... + 383798166.

It is an arithmetic number, because the mean of its divisors is an integer number (901461664998).

Almost surely, 2^{20221321020311} is an apocalyptic number.

20221321020311 is a deficient number, since it is larger than the sum of its proper divisors (1413758939641).

20221321020311 is a wasteful number, since it uses less digits than its factorization.

20221321020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55123 (or 55022 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20221321020311 its reverse (11302012312202), we get a palindrome (31523333332513).

The spelling of 20221321020311 in words is "twenty trillion, two hundred twenty-one billion, three hundred twenty-one million, twenty thousand, three hundred eleven".