211023212011133 has 2 divisors, whose sum is σ = 211023212011134. Its totient is φ = 211023212011132.

The previous prime is 211023212011127. The next prime is 211023212011177. The reversal of 211023212011133 is 331110212320112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178658456877124 + 32364755134009 = 13366318^2 + 5689003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211023212011133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211023212011099 and 211023212011108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211023212011103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511606005566 + 105511606005567.

It is an arithmetic number, because the mean of its divisors is an integer number (105511606005567).

Almost surely, 2^{211023212011133} is an apocalyptic number.

It is an amenable number.

211023212011133 is a deficient number, since it is larger than the sum of its proper divisors (1).

211023212011133 is an equidigital number, since it uses as much as digits as its factorization.

211023212011133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 211023212011133 its reverse (331110212320112), we get a palindrome (542133424331245).

The spelling of 211023212011133 in words is "two hundred eleven trillion, twenty-three billion, two hundred twelve million, eleven thousand, one hundred thirty-three".