201011211030203 has 64 divisors (see below), whose sum is σ = 244240740495360. Its totient is φ = 161804635800192.

The previous prime is 201011211030167. The next prime is 201011211030209. The reversal of 201011211030203 is 302030112110102.

It is not a de Polignac number, because 201011211030203 - 2⁸ = 201011211029947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201011211030209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2017264100 + ... + 2017363742.

It is an arithmetic number, because the mean of its divisors is an integer number (3816261570240).

Almost surely, 2^{201011211030203} is an apocalyptic number.

201011211030203 is a deficient number, since it is larger than the sum of its proper divisors (43229529465157).

201011211030203 is a wasteful number, since it uses less digits than its factorization.

201011211030203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101616.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201011211030203 its reverse (302030112110102), we get a palindrome (503041323140305).

The spelling of 201011211030203 in words is "two hundred one trillion, eleven billion, two hundred eleven million, thirty thousand, two hundred three".