122100020201 has 2 divisors, whose sum is σ = 122100020202. Its totient is φ = 122100020200.

The previous prime is 122100020149. The next prime is 122100020233. The reversal of 122100020201 is 102020001221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83117466601 + 38982553600 = 288301^2 + 197440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122100020201 is a prime.

It is not a weakly prime, because it can be changed into another prime (122100020281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050010100 + 61050010101.

It is an arithmetic number, because the mean of its divisors is an integer number (61050010101).

Almost surely, 2^122100020201 is an apocalyptic number.

It is an amenable number.

122100020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100020201 is an equidigital number, since it uses as much as digits as its factorization.

122100020201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122100020201 its reverse (102020001221), we get a palindrome (224120021422).

The spelling of 122100020201 in words is "one hundred twenty-two billion, one hundred million, twenty thousand, two hundred one".