122110212401 has 2 divisors, whose sum is σ = 122110212402. Its totient is φ = 122110212400.

The previous prime is 122110212397. The next prime is 122110212463. The reversal of 122110212401 is 104212011221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68056287376 + 54053925025 = 260876^2 + 232495^2 .

It is a cyclic number.

It is not a de Polignac number, because 122110212401 - 2² = 122110212397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122110212401.

It is not a weakly prime, because it can be changed into another prime (122110212701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055106200 + 61055106201.

It is an arithmetic number, because the mean of its divisors is an integer number (61055106201).

Almost surely, 2^122110212401 is an apocalyptic number.

It is an amenable number.

122110212401 is a deficient number, since it is larger than the sum of its proper divisors (1).

122110212401 is an equidigital number, since it uses as much as digits as its factorization.

122110212401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122110212401 its reverse (104212011221), we get a palindrome (226322223622).

The spelling of 122110212401 in words is "one hundred twenty-two billion, one hundred ten million, two hundred twelve thousand, four hundred one".