210122121222239 has 2 divisors, whose sum is σ = 210122121222240. Its totient is φ = 210122121222238.

The previous prime is 210122121222199. The next prime is 210122121222263. The reversal of 210122121222239 is 932222121221012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210122121222239 is a prime.

It is a super-2 number, since 2×210122121222239² (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 (210122121212239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061060611119 + 105061060611120.

It is an arithmetic number, because the mean of its divisors is an integer number (105061060611120).

Almost surely, 2^{210122121222239} is an apocalyptic number.

210122121222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122121222239 is an equidigital number, since it uses as much as digits as its factorization.

210122121222239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 210122121222239 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty-nine".