122101119989 has 2 divisors, whose sum is σ = 122101119990. Its totient is φ = 122101119988.

The previous prime is 122101119983. The next prime is 122101120007. The reversal of 122101119989 is 989911101221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119756139364 + 2344980625 = 346058^2 + 48425^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101119989 - 2⁸ = 122101119733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122101119983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050559994 + 61050559995.

It is an arithmetic number, because the mean of its divisors is an integer number (61050559995).

Almost surely, 2^122101119989 is an apocalyptic number.

It is an amenable number.

122101119989 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101119989 is an equidigital number, since it uses as much as digits as its factorization.

122101119989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 44.

The spelling of 122101119989 in words is "one hundred twenty-two billion, one hundred one million, one hundred nineteen thousand, nine hundred eighty-nine".