22102001011 has 4 divisors (see below), whose sum is σ = 22519019952. Its totient is φ = 21684982072.

The previous prime is 22102000979. The next prime is 22102001021. The reversal of 22102001011 is 11010020122.

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 22102001011 - 2⁵ = 22102000979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208509391 + ... + 208509496.

It is an arithmetic number, because the mean of its divisors is an integer number (5629754988).

Almost surely, 2^22102001011 is an apocalyptic number.

22102001011 is a deficient number, since it is larger than the sum of its proper divisors (417018941).

22102001011 is an equidigital number, since it uses as much as digits as its factorization.

22102001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417018940.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22102001011 its reverse (11010020122), we get a palindrome (33112021133).

The spelling of 22102001011 in words is "twenty-two billion, one hundred two million, one thousand, eleven".