201001011211 has 32 divisors (see below), whose sum is σ = 269918240256. Its totient is φ = 144553248000.

The previous prime is 201001011199. The next prime is 201001011217. The reversal of 201001011211 is 112110100102.

It is not a de Polignac number, because 201001011211 - 2⁹ = 201001010699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201001011217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8678116 + ... + 8701246.

It is an arithmetic number, because the mean of its divisors is an integer number (8434945008).

Almost surely, 2^201001011211 is an apocalyptic number.

201001011211 is a deficient number, since it is larger than the sum of its proper divisors (68917229045).

201001011211 is a wasteful number, since it uses less digits than its factorization.

201001011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31843.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201001011211 its reverse (112110100102), we get a palindrome (313111111313).

The spelling of 201001011211 in words is "two hundred one billion, one million, eleven thousand, two hundred eleven".