22000220021011 has 4 divisors (see below), whose sum is σ = 22000988777400. Its totient is φ = 21999451264624.

The previous prime is 22000220020963. The next prime is 22000220021069. The reversal of 22000220021011 is 11012002200022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000220021011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000220020982 and 22000220021000.

It is not an unprimeable number, because it can be changed into a prime (22000220021911) 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, 384335266 + ... + 384392503.

It is an arithmetic number, because the mean of its divisors is an integer number (5500247194350).

Almost surely, 2^{22000220021011} is an apocalyptic number.

22000220021011 is a deficient number, since it is larger than the sum of its proper divisors (768756389).

22000220021011 is an equidigital number, since it uses as much as digits as its factorization.

22000220021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768756388.

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

Adding to 22000220021011 its reverse (11012002200022), we get a palindrome (33012222221033).

The spelling of 22000220021011 in words is "twenty-two trillion, two hundred twenty million, twenty-one thousand, eleven".