203012133011 has 2 divisors, whose sum is σ = 203012133012. Its totient is φ = 203012133010.

The previous prime is 203012133001. The next prime is 203012133047. The reversal of 203012133011 is 110331210302.

203012133011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203012133011 is a prime.

It is a super-2 number, since 2×203012133011² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (203012133001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101506066505 + 101506066506.

It is an arithmetic number, because the mean of its divisors is an integer number (101506066506).

Almost surely, 2^203012133011 is an apocalyptic number.

203012133011 is a deficient number, since it is larger than the sum of its proper divisors (1).

203012133011 is an equidigital number, since it uses as much as digits as its factorization.

203012133011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 203012133011 its reverse (110331210302), we get a palindrome (313343343313).

The spelling of 203012133011 in words is "two hundred three billion, twelve million, one hundred thirty-three thousand, eleven".