122213301989 has 2 divisors, whose sum is σ = 122213301990. Its totient is φ = 122213301988.

The previous prime is 122213301979. The next prime is 122213302009. The reversal of 122213301989 is 989103312221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119606688964 + 2606613025 = 345842^2 + 51055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122213301989 is a prime.

It is a super-3 number, since 3×122213301989³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 (122213301979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106650994 + 61106650995.

It is an arithmetic number, because the mean of its divisors is an integer number (61106650995).

Almost surely, 2^122213301989 is an apocalyptic number.

It is an amenable number.

122213301989 is a deficient number, since it is larger than the sum of its proper divisors (1).

122213301989 is an equidigital number, since it uses as much as digits as its factorization.

122213301989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 122213301989 in words is "one hundred twenty-two billion, two hundred thirteen million, three hundred one thousand, nine hundred eighty-nine".