20222011021 has 8 divisors (see below), whose sum is σ = 20964815424. Its totient is φ = 19491091680.

The previous prime is 20222010983. The next prime is 20222011081. The reversal of 20222011021 is 12011022202.

It is a happy number.

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

It is not a de Polignac number, because 20222011021 - 2¹¹ = 20222008973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222010992 and 20222011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222011081) 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, 2967801 + ... + 2974606.

It is an arithmetic number, because the mean of its divisors is an integer number (2620601928).

Almost surely, 2^20222011021 is an apocalyptic number.

It is an amenable number.

20222011021 is a deficient number, since it is larger than the sum of its proper divisors (742804403).

20222011021 is an equidigital number, since it uses as much as digits as its factorization.

20222011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942531.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20222011021 its reverse (12011022202), we get a palindrome (32233033223).

The spelling of 20222011021 in words is "twenty billion, two hundred twenty-two million, eleven thousand, twenty-one".