122230233421 has 2 divisors, whose sum is σ = 122230233422. Its totient is φ = 122230233420.

The previous prime is 122230233409. The next prime is 122230233493. The reversal of 122230233421 is 124332032221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99546560100 + 22683673321 = 315510^2 + 150611^2 .

It is an emirp because it is prime and its reverse (124332032221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122230233421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122230234421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61115116710 + 61115116711.

It is an arithmetic number, because the mean of its divisors is an integer number (61115116711).

Almost surely, 2^122230233421 is an apocalyptic number.

It is an amenable number.

122230233421 is a deficient number, since it is larger than the sum of its proper divisors (1).

122230233421 is an equidigital number, since it uses as much as digits as its factorization.

122230233421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 122230233421 its reverse (124332032221), we get a palindrome (246562265642).

The spelling of 122230233421 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred thirty-three thousand, four hundred twenty-one".