2211211131131 has 8 divisors (see below), whose sum is σ = 2307378868224. Its totient is φ = 2115045737640.

The previous prime is 2211211131127. The next prime is 2211211131191. The reversal of 2211211131131 is 1311311121122.

2211211131131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2211211131131 - 2² = 2211211131127 is a prime.

It is a super-2 number, since 2×2211211131131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211211131191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500230 + ... + 2583236.

It is an arithmetic number, because the mean of its divisors is an integer number (288422358528).

Almost surely, 2^{2211211131131} is an apocalyptic number.

2211211131131 is a deficient number, since it is larger than the sum of its proper divisors (96167737093).

2211211131131 is a wasteful number, since it uses less digits than its factorization.

2211211131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171801.

The product of its digits is 72, while the sum is 20.

Adding to 2211211131131 its reverse (1311311121122), we get a palindrome (3522522252253).

The spelling of 2211211131131 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred thirty-one thousand, one hundred thirty-one".