201100111210201 has 24 divisors (see below), whose sum is σ = 236753944779744. Its totient is φ = 170292819977280.

The previous prime is 201100111210199. The next prime is 201100111210261. The reversal of 201100111210201 is 102012111001102.

It is a happy number.

It is not a de Polignac number, because 201100111210201 - 2¹ = 201100111210199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201100111210261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442762861 + ... + 443216821.

It is an arithmetic number, because the mean of its divisors is an integer number (9864747699156).

Almost surely, 2^{201100111210201} is an apocalyptic number.

It is an amenable number.

201100111210201 is a deficient number, since it is larger than the sum of its proper divisors (35653833569543).

201100111210201 is a wasteful number, since it uses less digits than its factorization.

201100111210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562981 (or 562974 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201100111210201 its reverse (102012111001102), we get a palindrome (303112222211303).

The spelling of 201100111210201 in words is "two hundred one trillion, one hundred billion, one hundred eleven million, two hundred ten thousand, two hundred one".