20210222121179 has 2 divisors, whose sum is σ = 20210222121180. Its totient is φ = 20210222121178.

The previous prime is 20210222121169. The next prime is 20210222121217. The reversal of 20210222121179 is 97112122201202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20210222121179 - 2⁴ = 20210222121163 is a prime.

It is not a weakly prime, because it can be changed into another prime (20210222121169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105111060589 + 10105111060590.

It is an arithmetic number, because the mean of its divisors is an integer number (10105111060590).

Almost surely, 2^{20210222121179} is an apocalyptic number.

20210222121179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210222121179 is an equidigital number, since it uses as much as digits as its factorization.

20210222121179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 20210222121179 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred seventy-nine".