210021100220219 has 2 divisors, whose sum is σ = 210021100220220. Its totient is φ = 210021100220218.

The previous prime is 210021100220213. The next prime is 210021100220257. The reversal of 210021100220219 is 912022001120012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210021100220219 - 2⁴ = 210021100220203 is a prime.

It is a super-2 number, since 2×210021100220219² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210021100220194 and 210021100220203.

It is not a weakly prime, because it can be changed into another prime (210021100220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010550110109 + 105010550110110.

It is an arithmetic number, because the mean of its divisors is an integer number (105010550110110).

Almost surely, 2^{210021100220219} is an apocalyptic number.

210021100220219 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021100220219 is an equidigital number, since it uses as much as digits as its factorization.

210021100220219 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 210021100220219 in words is "two hundred ten trillion, twenty-one billion, one hundred million, two hundred twenty thousand, two hundred nineteen".