2001013233203 has 2 divisors, whose sum is σ = 2001013233204. Its totient is φ = 2001013233202.

The previous prime is 2001013233199. The next prime is 2001013233281. The reversal of 2001013233203 is 3023323101002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001013233203 - 2² = 2001013233199 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001013232203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000506616601 + 1000506616602.

It is an arithmetic number, because the mean of its divisors is an integer number (1000506616602).

Almost surely, 2^{2001013233203} is an apocalyptic number.

2001013233203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001013233203 is an equidigital number, since it uses as much as digits as its factorization.

2001013233203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2001013233203 its reverse (3023323101002), we get a palindrome (5024336334205).

The spelling of 2001013233203 in words is "two trillion, one billion, thirteen million, two hundred thirty-three thousand, two hundred three".