211112012221133 has 2 divisors, whose sum is σ = 211112012221134. Its totient is φ = 211112012221132.

The previous prime is 211112012221109. The next prime is 211112012221213. The reversal of 211112012221133 is 331122210211112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147976957918084 + 63135054303049 = 12164578^2 + 7945757^2 .

It is a cyclic number.

It is not a de Polignac number, because 211112012221133 - 2³⁶ = 211043292744397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211112012221099 and 211112012221108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211112012229133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556006110566 + 105556006110567.

It is an arithmetic number, because the mean of its divisors is an integer number (105556006110567).

Almost surely, 2^{211112012221133} is an apocalyptic number.

It is an amenable number.

211112012221133 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112012221133 is an equidigital number, since it uses as much as digits as its factorization.

211112012221133 is an evil number, because the sum of its binary digits is even.

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

Adding to 211112012221133 its reverse (331122210211112), we get a palindrome (542234222432245).

The spelling of 211112012221133 in words is "two hundred eleven trillion, one hundred twelve billion, twelve million, two hundred twenty-one thousand, one hundred thirty-three".