20001210122219 has 2 divisors, whose sum is σ = 20001210122220. Its totient is φ = 20001210122218.

The previous prime is 20001210122203. The next prime is 20001210122227. The reversal of 20001210122219 is 91222101210002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001210122219 - 2⁴ = 20001210122203 is a prime.

It is a super-2 number, since 2×20001210122219² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001210122194 and 20001210122203.

It is not a weakly prime, because it can be changed into another prime (20001210122119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000605061109 + 10000605061110.

It is an arithmetic number, because the mean of its divisors is an integer number (10000605061110).

Almost surely, 2^{20001210122219} is an apocalyptic number.

20001210122219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001210122219 is an equidigital number, since it uses as much as digits as its factorization.

20001210122219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 20001210122219 in words is "twenty trillion, one billion, two hundred ten million, one hundred twenty-two thousand, two hundred nineteen".