10221201212179 has 2 divisors, whose sum is σ = 10221201212180. Its totient is φ = 10221201212178.

The previous prime is 10221201212147. The next prime is 10221201212219. The reversal of 10221201212179 is 97121210212201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221201212179 - 2⁵ = 10221201212147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221201212179.

It is not a weakly prime, because it can be changed into another prime (10221201212129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110600606089 + 5110600606090.

It is an arithmetic number, because the mean of its divisors is an integer number (5110600606090).

Almost surely, 2^{10221201212179} is an apocalyptic number.

10221201212179 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221201212179 is an equidigital number, since it uses as much as digits as its factorization.

10221201212179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 10221201212179 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, two hundred twelve thousand, one hundred seventy-nine".