201001111201111 has 8 divisors (see below), whose sum is σ = 216744221151920. Its totient is φ = 185298213537792.

The previous prime is 201001111201103. The next prime is 201001111201127. The reversal of 201001111201111 is 111102111100102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201001111201111 - 2³ = 201001111201103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001111201091 and 201001111201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001111201141) 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 7 ways as a sum of consecutive naturals, for example, 10053061485 + ... + 10053081478.

It is an arithmetic number, because the mean of its divisors is an integer number (27093027643990).

Almost surely, 2^{201001111201111} is an apocalyptic number.

201001111201111 is a deficient number, since it is larger than the sum of its proper divisors (15743109950809).

201001111201111 is a wasteful number, since it uses less digits than its factorization.

201001111201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20106143745.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 201001111201111 its reverse (111102111100102), we get a palindrome (312103222301213).

The spelling of 201001111201111 in words is "two hundred one trillion, one billion, one hundred eleven million, two hundred one thousand, one hundred eleven".