212211661159 has 2 divisors, whose sum is σ = 212211661160. Its totient is φ = 212211661158.

The previous prime is 212211661139. The next prime is 212211661199. The reversal of 212211661159 is 951166112212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212211661159 - 2⁵ = 212211661127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212211661139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105830579 + 106105830580.

It is an arithmetic number, because the mean of its divisors is an integer number (106105830580).

Almost surely, 2^212211661159 is an apocalyptic number.

212211661159 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211661159 is an equidigital number, since it uses as much as digits as its factorization.

212211661159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 37.

The spelling of 212211661159 in words is "two hundred twelve billion, two hundred eleven million, six hundred sixty-one thousand, one hundred fifty-nine".