203222123011 has 2 divisors, whose sum is σ = 203222123012. Its totient is φ = 203222123010.

The previous prime is 203222122991. The next prime is 203222123021. The reversal of 203222123011 is 110321222302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203222123011 - 2¹⁵ = 203222090243 is a prime.

It is a super-2 number, since 2×203222123011² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203222123011.

It is not a weakly prime, because it can be changed into another prime (203222123021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101611061505 + 101611061506.

It is an arithmetic number, because the mean of its divisors is an integer number (101611061506).

Almost surely, 2^203222123011 is an apocalyptic number.

203222123011 is a deficient number, since it is larger than the sum of its proper divisors (1).

203222123011 is an equidigital number, since it uses as much as digits as its factorization.

203222123011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203222123011 its reverse (110321222302), we get a palindrome (313543345313).

The spelling of 203222123011 in words is "two hundred three billion, two hundred twenty-two million, one hundred twenty-three thousand, eleven".