211001123131133 has 2 divisors, whose sum is σ = 211001123131134. Its totient is φ = 211001123131132.

The previous prime is 211001123131039. The next prime is 211001123131297. The reversal of 211001123131133 is 331131321100112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174564289949284 + 36436833181849 = 13212278^2 + 6036293^2 .

It is a cyclic number.

It is not a de Polignac number, because 211001123131133 - 2⁸ = 211001123130877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211001123131099 and 211001123131108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211001123131033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500561565566 + 105500561565567.

It is an arithmetic number, because the mean of its divisors is an integer number (105500561565567).

Almost surely, 2^{211001123131133} is an apocalyptic number.

It is an amenable number.

211001123131133 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001123131133 is an equidigital number, since it uses as much as digits as its factorization.

211001123131133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 211001123131133 its reverse (331131321100112), we get a palindrome (542132444231245).

The spelling of 211001123131133 in words is "two hundred eleven trillion, one billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred thirty-three".