211220132329 has 2 divisors, whose sum is σ = 211220132330. Its totient is φ = 211220132328.

The previous prime is 211220132303. The next prime is 211220132341. The reversal of 211220132329 is 923231022112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138255317929 + 72964814400 = 371827^2 + 270120^2 .

It is a cyclic number.

It is not a de Polignac number, because 211220132329 - 2¹⁷ = 211220001257 is a prime.

It is a super-2 number, since 2×211220132329² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211220132297 and 211220132306.

It is not a weakly prime, because it can be changed into another prime (211220136329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610066164 + 105610066165.

It is an arithmetic number, because the mean of its divisors is an integer number (105610066165).

Almost surely, 2^211220132329 is an apocalyptic number.

It is an amenable number.

211220132329 is a deficient number, since it is larger than the sum of its proper divisors (1).

211220132329 is an equidigital number, since it uses as much as digits as its factorization.

211220132329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 211220132329 in words is "two hundred eleven billion, two hundred twenty million, one hundred thirty-two thousand, three hundred twenty-nine".