211130132173 has 2 divisors, whose sum is σ = 211130132174. Its totient is φ = 211130132172.

The previous prime is 211130132099. The next prime is 211130132207. The reversal of 211130132173 is 371231031112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210132393604 + 997738569 = 458402^2 + 31587^2 .

It is a cyclic number.

It is not a de Polignac number, because 211130132173 - 2²¹ = 211128035021 is a prime.

It is a super-2 number, since 2×211130132173² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211130132573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105565066086 + 105565066087.

It is an arithmetic number, because the mean of its divisors is an integer number (105565066087).

Almost surely, 2^211130132173 is an apocalyptic number.

It is an amenable number.

211130132173 is a deficient number, since it is larger than the sum of its proper divisors (1).

211130132173 is an equidigital number, since it uses as much as digits as its factorization.

211130132173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 211130132173 its reverse (371231031112), we get a palindrome (582361163285).

The spelling of 211130132173 in words is "two hundred eleven billion, one hundred thirty million, one hundred thirty-two thousand, one hundred seventy-three".