211221122013359 has 2 divisors, whose sum is σ = 211221122013360. Its totient is φ = 211221122013358.

The previous prime is 211221122013283. The next prime is 211221122013371. The reversal of 211221122013359 is 953310221122112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211221122013359 is a prime.

It is a super-2 number, since 2×211221122013359² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211221127013359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610561006679 + 105610561006680.

It is an arithmetic number, because the mean of its divisors is an integer number (105610561006680).

Almost surely, 2^{211221122013359} is an apocalyptic number.

211221122013359 is a deficient number, since it is larger than the sum of its proper divisors (1).

211221122013359 is an equidigital number, since it uses as much as digits as its factorization.

211221122013359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 211221122013359 in words is "two hundred eleven trillion, two hundred twenty-one billion, one hundred twenty-two million, thirteen thousand, three hundred fifty-nine".