22202021011 has 4 divisors (see below), whose sum is σ = 22223187000. Its totient is φ = 22180855024.

The previous prime is 22202020969. The next prime is 22202021081. The reversal of 22202021011 is 11012020222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22202021011 - 2²³ = 22193632403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22202020982 and 22202021000.

It is not an unprimeable number, because it can be changed into a prime (22202021081) 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, 10581421 + ... + 10583518.

It is an arithmetic number, because the mean of its divisors is an integer number (5555796750).

Almost surely, 2^22202021011 is an apocalyptic number.

22202021011 is a deficient number, since it is larger than the sum of its proper divisors (21165989).

22202021011 is a wasteful number, since it uses less digits than its factorization.

22202021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21165988.

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

Adding to 22202021011 its reverse (11012020222), we get a palindrome (33214041233).

The spelling of 22202021011 in words is "twenty-two billion, two hundred two million, twenty-one thousand, eleven".