11212113111201 has 40 divisors (see below), whose sum is σ = 17795254387680. Its totient is φ = 7015153796352.

The previous prime is 11212113111179. The next prime is 11212113111233. The reversal of 11212113111201 is 10211131121211.

11212113111201 is a `hidden beast` number, since 1 + 1 + 21 + 211 + 311 + 120 + 1 = 666.

It is not a de Polignac number, because 11212113111201 - 2¹⁵ = 11212113078433 is a prime.

It is a super-2 number, since 2×11212113111201² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11212113111271) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33878896 + ... + 34208241.

It is an arithmetic number, because the mean of its divisors is an integer number (444881359692).

Almost surely, 2^{11212113111201} is an apocalyptic number.

It is an amenable number.

11212113111201 is a deficient number, since it is larger than the sum of its proper divisors (6583141276479).

11212113111201 is a wasteful number, since it uses less digits than its factorization.

11212113111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68087275 (or 68087266 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 11212113111201 its reverse (10211131121211), we get a palindrome (21423244232412).

The spelling of 11212113111201 in words is "eleven trillion, two hundred twelve billion, one hundred thirteen million, one hundred eleven thousand, two hundred one".