22203123011 has 2 divisors, whose sum is σ = 22203123012. Its totient is φ = 22203123010.

The previous prime is 22203122989. The next prime is 22203123013. The reversal of 22203123011 is 11032130222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22203123011 is a prime.

It is a super-2 number, since 2×22203123011² (a number of 21 digits) contains 22 as substring.

Together with 22203123013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22203123013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101561505 + 11101561506.

It is an arithmetic number, because the mean of its divisors is an integer number (11101561506).

Almost surely, 2^22203123011 is an apocalyptic number.

22203123011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22203123011 is an equidigital number, since it uses as much as digits as its factorization.

22203123011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22203123011 its reverse (11032130222), we get a palindrome (33235253233).

The spelling of 22203123011 in words is "twenty-two billion, two hundred three million, one hundred twenty-three thousand, eleven".