20222111001 has 4 divisors (see below), whose sum is σ = 26962814672. Its totient is φ = 13481407332.

The previous prime is 20222110999. The next prime is 20222111009. The reversal of 20222111001 is 10011122202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20222111001 - 2¹ = 20222110999 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20222111009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370351831 + ... + 3370351836.

It is an arithmetic number, because the mean of its divisors is an integer number (6740703668).

Almost surely, 2^20222111001 is an apocalyptic number.

It is an amenable number.

20222111001 is a deficient number, since it is larger than the sum of its proper divisors (6740703671).

20222111001 is an equidigital number, since it uses as much as digits as its factorization.

20222111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740703670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20222111001 its reverse (10011122202), we get a palindrome (30233233203).

The spelling of 20222111001 in words is "twenty billion, two hundred twenty-two million, one hundred eleven thousand, one".