211332229973 has 2 divisors, whose sum is σ = 211332229974. Its totient is φ = 211332229972.

The previous prime is 211332229949. The next prime is 211332229981. The reversal of 211332229973 is 379922233112.

211332229973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211120032484 + 212197489 = 459478^2 + 14567^2 .

It is a cyclic number.

It is not a de Polignac number, because 211332229973 - 2²² = 211328035669 is a prime.

It is a super-2 number, since 2×211332229973² (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 (211332229943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666114986 + 105666114987.

It is an arithmetic number, because the mean of its divisors is an integer number (105666114987).

Almost surely, 2^211332229973 is an apocalyptic number.

It is an amenable number.

211332229973 is a deficient number, since it is larger than the sum of its proper divisors (1).

211332229973 is an equidigital number, since it uses as much as digits as its factorization.

211332229973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The spelling of 211332229973 in words is "two hundred eleven billion, three hundred thirty-two million, two hundred twenty-nine thousand, nine hundred seventy-three".