201201301111 has 32 divisors (see below), whose sum is σ = 218823091200. Its totient is φ = 184479254784.

The previous prime is 201201301099. The next prime is 201201301177. The reversal of 201201301111 is 111103102102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201201301111 - 2³⁵ = 166841562743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201201301091 and 201201301100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201301181) 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, 95854740 + ... + 95856838.

It is an arithmetic number, because the mean of its divisors is an integer number (6838221600).

Almost surely, 2^201201301111 is an apocalyptic number.

201201301111 is a deficient number, since it is larger than the sum of its proper divisors (17621790089).

201201301111 is a wasteful number, since it uses less digits than its factorization.

201201301111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 201201301111 its reverse (111103102102), we get a palindrome (312304403213).

It can be divided in two parts, 20120 and 1301111, that added together give a palindrome (1321231).

The spelling of 201201301111 in words is "two hundred one billion, two hundred one million, three hundred one thousand, one hundred eleven".