20221201119689 has 2 divisors, whose sum is σ = 20221201119690. Its totient is φ = 20221201119688.

The previous prime is 20221201119659. The next prime is 20221201119709. The reversal of 20221201119689 is 98691110212202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16882935943225 + 3338265176464 = 4108885^2 + 1827092^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221201119689 - 2²⁴ = 20221184342473 is a prime.

It is not a weakly prime, because it can be changed into another prime (20221201119659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110600559844 + 10110600559845.

It is an arithmetic number, because the mean of its divisors is an integer number (10110600559845).

Almost surely, 2^{20221201119689} is an apocalyptic number.

It is an amenable number.

20221201119689 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221201119689 is an equidigital number, since it uses as much as digits as its factorization.

20221201119689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 20221201119689 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, one hundred nineteen thousand, six hundred eighty-nine".