211332123929 has 2 divisors, whose sum is σ = 211332123930. Its totient is φ = 211332123928.

The previous prime is 211332123911. The next prime is 211332123949. The reversal of 211332123929 is 929321233112.

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., 204735435529 + 6596688400 = 452477^2 + 81220^2 .

It is a cyclic number.

It is not a de Polignac number, because 211332123929 - 2¹⁶ = 211332058393 is a prime.

It is a super-2 number, since 2×211332123929² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211332123892 and 211332123901.

It is not a weakly prime, because it can be changed into another prime (211332123949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666061964 + 105666061965.

It is an arithmetic number, because the mean of its divisors is an integer number (105666061965).

Almost surely, 2^211332123929 is an apocalyptic number.

It is an amenable number.

211332123929 is a deficient number, since it is larger than the sum of its proper divisors (1).

211332123929 is an equidigital number, since it uses as much as digits as its factorization.

211332123929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The spelling of 211332123929 in words is "two hundred eleven billion, three hundred thirty-two million, one hundred twenty-three thousand, nine hundred twenty-nine".