122002211321 has 2 divisors, whose sum is σ = 122002211322. Its totient is φ = 122002211320.

The previous prime is 122002211269. The next prime is 122002211327. The reversal of 122002211321 is 123112200221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120117696400 + 1884514921 = 346580^2 + 43411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002211321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122002211321.

It is not a weakly prime, because it can be changed into another prime (122002211327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001105660 + 61001105661.

It is an arithmetic number, because the mean of its divisors is an integer number (61001105661).

Almost surely, 2^122002211321 is an apocalyptic number.

It is an amenable number.

122002211321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002211321 is an equidigital number, since it uses as much as digits as its factorization.

122002211321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122002211321 its reverse (123112200221), we get a palindrome (245114411542).

The spelling of 122002211321 in words is "one hundred twenty-two billion, two million, two hundred eleven thousand, three hundred twenty-one".