201011211030204 has 36 divisors (see below), whose sum is σ = 508126919776840. Its totient is φ = 67001726357280.

The previous prime is 201011211030167. The next prime is 201011211030209. The reversal of 201011211030204 is 402030112110102.

201011211030204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 82560619 + ... + 84960450.

Almost surely, 2^{201011211030204} is an apocalyptic number.

It is an amenable number.

201011211030204 is an abundant number, since it is smaller than the sum of its proper divisors (307115708746636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201011211030204 is a wasteful number, since it uses less digits than its factorization.

201011211030204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167554410 (or 167554405 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201011211030204 its reverse (402030112110102), we get a palindrome (603041323140306).

The spelling of 201011211030204 in words is "two hundred one trillion, eleven billion, two hundred eleven million, thirty thousand, two hundred four".