20221112021 has 8 divisors (see below), whose sum is σ = 22070010144. Its totient is φ = 18373983120.

The previous prime is 20221112011. The next prime is 20221112053. The reversal of 20221112021 is 12021112202.

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 20221112021 - 2²⁶ = 20154003157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221111987 and 20221112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418346 + ... + 464171.

It is an arithmetic number, because the mean of its divisors is an integer number (2758751268).

Almost surely, 2^20221112021 is an apocalyptic number.

It is an amenable number.

20221112021 is a deficient number, since it is larger than the sum of its proper divisors (1848898123).

20221112021 is a wasteful number, since it uses less digits than its factorization.

20221112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884611.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221112021 its reverse (12021112202), we get a palindrome (32242224223).

The spelling of 20221112021 in words is "twenty billion, two hundred twenty-one million, one hundred twelve thousand, twenty-one".