122011431401 has 2 divisors, whose sum is σ = 122011431402. Its totient is φ = 122011431400.

The previous prime is 122011431397. The next prime is 122011431419. The reversal of 122011431401 is 104134110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120809075776 + 1202355625 = 347576^2 + 34675^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011431401 - 2² = 122011431397 is a prime.

It is not a weakly prime, because it can be changed into another prime (122011436401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005715700 + 61005715701.

It is an arithmetic number, because the mean of its divisors is an integer number (61005715701).

Almost surely, 2^122011431401 is an apocalyptic number.

It is an amenable number.

122011431401 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011431401 is an equidigital number, since it uses as much as digits as its factorization.

122011431401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 122011431401 its reverse (104134110221), we get a palindrome (226145541622).

The spelling of 122011431401 in words is "one hundred twenty-two billion, eleven million, four hundred thirty-one thousand, four hundred one".