201101022111201 has 16 divisors (see below), whose sum is σ = 279911433780864. Its totient is φ = 128183925398144.

The previous prime is 201101022111169. The next prime is 201101022111251. The reversal of 201101022111201 is 102111220101102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201101022111201 - 2⁵ = 201101022111169 is a prime.

It is a super-3 number, since 3×201101022111201³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (201101022111251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618103716 + ... + 618428981.

It is an arithmetic number, because the mean of its divisors is an integer number (17494464611304).

Almost surely, 2^{201101022111201} is an apocalyptic number.

It is an amenable number.

201101022111201 is a deficient number, since it is larger than the sum of its proper divisors (78810411669663).

201101022111201 is a wasteful number, since it uses less digits than its factorization.

201101022111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236535080.

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

Adding to 201101022111201 its reverse (102111220101102), we get a palindrome (303212242212303).

The spelling of 201101022111201 in words is "two hundred one trillion, one hundred one billion, twenty-two million, one hundred eleven thousand, two hundred one".