22110220213 has 12 divisors (see below), whose sum is σ = 23627785860. Its totient is φ = 20618516736.

The previous prime is 22110220201. The next prime is 22110220261. The reversal of 22110220213 is 31202201122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6127445284 + 15982774929 = 78278^2 + 126423^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22110220213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110220283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147243 + ... + 256711.

It is an arithmetic number, because the mean of its divisors is an integer number (1968982155).

Almost surely, 2^22110220213 is an apocalyptic number.

It is an amenable number.

22110220213 is a deficient number, since it is larger than the sum of its proper divisors (1517565647).

22110220213 is a wasteful number, since it uses less digits than its factorization.

22110220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109704 (or 109595 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22110220213 its reverse (31202201122), we get a palindrome (53312421335).

The spelling of 22110220213 in words is "twenty-two billion, one hundred ten million, two hundred twenty thousand, two hundred thirteen".