201111102120201 has 16 divisors (see below), whose sum is σ = 330028475274624. Its totient is φ = 106080581337984.

The previous prime is 201111102120199. The next prime is 201111102120211. The reversal of 201111102120201 is 102021201111102.

It is a happy number.

201111102120201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201111102120201 - 2¹ = 201111102120199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201111102120211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368335351596 + ... + 368335352141.

It is an arithmetic number, because the mean of its divisors is an integer number (20626779704664).

Almost surely, 2^{201111102120201} is an apocalyptic number.

201111102120201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201111102120201 is a deficient number, since it is larger than the sum of its proper divisors (128917373154423).

201111102120201 is a wasteful number, since it uses less digits than its factorization.

201111102120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736670703760.

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

Adding to 201111102120201 its reverse (102021201111102), we get a palindrome (303132303231303).

The spelling of 201111102120201 in words is "two hundred one trillion, one hundred eleven billion, one hundred two million, one hundred twenty thousand, two hundred one".