122210029889 has 2 divisors, whose sum is σ = 122210029890. Its totient is φ = 122210029888.

The previous prime is 122210029871. The next prime is 122210029939. The reversal of 122210029889 is 988920012221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108361447489 + 13848582400 = 329183^2 + 117680^2 .

It is an emirp because it is prime and its reverse (988920012221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122210029889 is a prime.

It is not a weakly prime, because it can be changed into another prime (122210029829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105014944 + 61105014945.

It is an arithmetic number, because the mean of its divisors is an integer number (61105014945).

Almost surely, 2^122210029889 is an apocalyptic number.

It is an amenable number.

122210029889 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210029889 is an equidigital number, since it uses as much as digits as its factorization.

122210029889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 122210029889 in words is "one hundred twenty-two billion, two hundred ten million, twenty-nine thousand, eight hundred eighty-nine".