212201010011211 has 128 divisors (see below), whose sum is σ = 314784367177728. Its totient is φ = 126351912960000.

The previous prime is 212201010011153. The next prime is 212201010011327. The reversal of 212201010011211 is 112110010102212.

It is a happy number.

It is not a de Polignac number, because 212201010011211 - 2³⁷ = 212063571057739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212201010811211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 76030457226 + ... + 76030460016.

It is an arithmetic number, because the mean of its divisors is an integer number (2459252868576).

Almost surely, 2^{212201010011211} is an apocalyptic number.

212201010011211 is a deficient number, since it is larger than the sum of its proper divisors (102583357166517).

212201010011211 is a wasteful number, since it uses less digits than its factorization.

212201010011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005.

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

Adding to 212201010011211 its reverse (112110010102212), we get a palindrome (324311020113423).

It can be divided in two parts, 21220101001 and 1211, that added together give a palindrome (21220102212).

The spelling of 212201010011211 in words is "two hundred twelve trillion, two hundred one billion, ten million, eleven thousand, two hundred eleven".