10101220219 has 2 divisors, whose sum is σ = 10101220220. Its totient is φ = 10101220218.

The previous prime is 10101220163. The next prime is 10101220237. The reversal of 10101220219 is 91202210101.

It is a happy number.

10101220219 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101220219 - 2¹³ = 10101212027 is a prime.

It is a super-2 number, since 2×10101220219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10101220196 and 10101220205.

It is not a weakly prime, because it can be changed into another prime (10101220279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050610109 + 5050610110.

It is an arithmetic number, because the mean of its divisors is an integer number (5050610110).

Almost surely, 2^10101220219 is an apocalyptic number.

10101220219 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101220219 is an equidigital number, since it uses as much as digits as its factorization.

10101220219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10101220219 in words is "ten billion, one hundred one million, two hundred twenty thousand, two hundred nineteen".