122030331221 has 2 divisors, whose sum is σ = 122030331222. Its totient is φ = 122030331220.

The previous prime is 122030331211. The next prime is 122030331233. The reversal of 122030331221 is 122133030221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99657650596 + 22372680625 = 315686^2 + 149575^2 .

It is an emirp because it is prime and its reverse (122133030221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122030331221 - 2³⁴ = 104850462037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122030331193 and 122030331202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122030331211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61015165610 + 61015165611.

It is an arithmetic number, because the mean of its divisors is an integer number (61015165611).

Almost surely, 2^122030331221 is an apocalyptic number.

It is an amenable number.

122030331221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122030331221 is an equidigital number, since it uses as much as digits as its factorization.

122030331221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122030331221 its reverse (122133030221), we get a palindrome (244163361442).

The spelling of 122030331221 in words is "one hundred twenty-two billion, thirty million, three hundred thirty-one thousand, two hundred twenty-one".