211322201211131 has 4 divisors (see below), whose sum is σ = 211323104188200. Its totient is φ = 211321298234064.

The previous prime is 211322201211127. The next prime is 211322201211133. The reversal of 211322201211131 is 131112102223112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211322201211131 - 2² = 211322201211127 is a prime.

It is a super-2 number, since 2×211322201211131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211322201211097 and 211322201211106.

It is not an unprimeable number, because it can be changed into a prime (211322201211133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451137401 + ... + 451605578.

It is an arithmetic number, because the mean of its divisors is an integer number (52830776047050).

Almost surely, 2^{211322201211131} is an apocalyptic number.

211322201211131 is a deficient number, since it is larger than the sum of its proper divisors (902977069).

211322201211131 is an equidigital number, since it uses as much as digits as its factorization.

211322201211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902977068.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 211322201211131 its reverse (131112102223112), we get a palindrome (342434303434243).

The spelling of 211322201211131 in words is "two hundred eleven trillion, three hundred twenty-two billion, two hundred one million, two hundred eleven thousand, one hundred thirty-one".