22023021011 has 4 divisors (see below), whose sum is σ = 23182127400. Its totient is φ = 20863914624.

The previous prime is 22023020963. The next prime is 22023021043. The reversal of 22023021011 is 11012032022.

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 22023021011 - 2⁶ = 22023020947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22023021061) 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, 579553166 + ... + 579553203.

It is an arithmetic number, because the mean of its divisors is an integer number (5795531850).

Almost surely, 2^22023021011 is an apocalyptic number.

22023021011 is a deficient number, since it is larger than the sum of its proper divisors (1159106389).

22023021011 is a wasteful number, since it uses less digits than its factorization.

22023021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159106388.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22023021011 its reverse (11012032022), we get a palindrome (33035053033).

The spelling of 22023021011 in words is "twenty-two billion, twenty-three million, twenty-one thousand, eleven".