10221201212219 has 2 divisors, whose sum is σ = 10221201212220. Its totient is φ = 10221201212218.

The previous prime is 10221201212179. The next prime is 10221201212237. The reversal of 10221201212219 is 91221210212201.

10221201212219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221201212219 is a prime.

It is a super-2 number, since 2×10221201212219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10221201212419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110600606109 + 5110600606110.

It is an arithmetic number, because the mean of its divisors is an integer number (5110600606110).

Almost surely, 2^{10221201212219} is an apocalyptic number.

10221201212219 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221201212219 is an equidigital number, since it uses as much as digits as its factorization.

10221201212219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 10221201212219 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, two hundred twelve thousand, two hundred nineteen".