10221211220219 has 2 divisors, whose sum is σ = 10221211220220. Its totient is φ = 10221211220218.

The previous prime is 10221211220197. The next prime is 10221211220243. The reversal of 10221211220219 is 91202211212201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221211220219 is a prime.

It is a super-3 number, since 3×10221211220219³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (10221211220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110605610109 + 5110605610110.

It is an arithmetic number, because the mean of its divisors is an integer number (5110605610110).

Almost surely, 2^{10221211220219} is an apocalyptic number.

10221211220219 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221211220219 is an equidigital number, since it uses as much as digits as its factorization.

10221211220219 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 10221211220219 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty thousand, two hundred nineteen".