22511450101 has 18 divisors (see below), whose sum is σ = 26362668150. Its totient is φ = 19166792400.

The previous prime is 22511450083. The next prime is 22511450111. The reversal of 22511450101 is 10105411522.

It can be written as a sum of positive squares in only one way, i.e., 18881508100 + 3629942001 = 137410^2 + 60249^2 .

It is not a de Polignac number, because 22511450101 - 2⁵ = 22511450069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22511450111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1107175 + ... + 1127323.

It is an arithmetic number, because the mean of its divisors is an integer number (1464592675).

Almost surely, 2^22511450101 is an apocalyptic number.

It is an amenable number.

22511450101 is a deficient number, since it is larger than the sum of its proper divisors (3851218049).

22511450101 is an equidigital number, since it uses as much as digits as its factorization.

22511450101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20465 (or 20307 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 22511450101 its reverse (10105411522), we get a palindrome (32616861623).

The spelling of 22511450101 in words is "twenty-two billion, five hundred eleven million, four hundred fifty thousand, one hundred one".