122101100202121 has 2 divisors, whose sum is σ = 122101100202122. Its totient is φ = 122101100202120.

The previous prime is 122101100202083. The next prime is 122101100202223. The reversal of 122101100202121 is 121202001101221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91930127520400 + 30170972681721 = 9588020^2 + 5492811^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101100202121 - 2⁹ = 122101100201609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122101100202095 and 122101100202104.

It is not a weakly prime, because it can be changed into another prime (122101100202421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050550101060 + 61050550101061.

It is an arithmetic number, because the mean of its divisors is an integer number (61050550101061).

Almost surely, 2^{122101100202121} is an apocalyptic number.

It is an amenable number.

122101100202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101100202121 is an equidigital number, since it uses as much as digits as its factorization.

122101100202121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122101100202121 its reverse (121202001101221), we get a palindrome (243303101303342).

It can be divided in two parts, 122101100 and 202121, that added together give a palindrome (122303221).

The spelling of 122101100202121 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred million, two hundred two thousand, one hundred twenty-one".