201211020011211 has 32 divisors (see below), whose sum is σ = 309127106211840. Its totient is φ = 114036620045184.

The previous prime is 201211020011189. The next prime is 201211020011227. The reversal of 201211020011211 is 112110020112102.

It is a happy number.

It is not a de Polignac number, because 201211020011211 - 2⁵ = 201211020011179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201211020011611) 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, 78603220 + ... + 81122673.

It is an arithmetic number, because the mean of its divisors is an integer number (9660222069120).

Almost surely, 2^{201211020011211} is an apocalyptic number.

201211020011211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201211020011211 is a deficient number, since it is larger than the sum of its proper divisors (107916086200629).

201211020011211 is a wasteful number, since it uses less digits than its factorization.

201211020011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159726395.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201211020011211 its reverse (112110020112102), we get a palindrome (313321040123313).

The spelling of 201211020011211 in words is "two hundred one trillion, two hundred eleven billion, twenty million, eleven thousand, two hundred eleven".