11212223330131 has 2 divisors, whose sum is σ = 11212223330132. Its totient is φ = 11212223330130.

The previous prime is 11212223330129. The next prime is 11212223330141. The reversal of 11212223330131 is 13103332221211.

11212223330131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212223330131 - 2¹ = 11212223330129 is a prime.

It is a super-2 number, since 2×11212223330131² (a number of 27 digits) contains 22 as substring.

Together with 11212223330129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11212223330096 and 11212223330105.

It is not a weakly prime, because it can be changed into another prime (11212223330141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606111665065 + 5606111665066.

It is an arithmetic number, because the mean of its divisors is an integer number (5606111665066).

Almost surely, 2^{11212223330131} is an apocalyptic number.

11212223330131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212223330131 is an equidigital number, since it uses as much as digits as its factorization.

11212223330131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11212223330131 its reverse (13103332221211), we get a palindrome (24315555551342).

The spelling of 11212223330131 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-three million, three hundred thirty thousand, one hundred thirty-one".