122022201111121 has 2 divisors, whose sum is σ = 122022201111122. Its totient is φ = 122022201111120.

The previous prime is 122022201111119. The next prime is 122022201111233. The reversal of 122022201111121 is 121111102220221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118890433808721 + 3131767302400 = 10903689^2 + 1769680^2 .

It is an emirp because it is prime and its reverse (121111102220221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122022201111121 - 2¹ = 122022201111119 is a prime.

Together with 122022201111119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122022201112121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011100555560 + 61011100555561.

It is an arithmetic number, because the mean of its divisors is an integer number (61011100555561).

Almost surely, 2^{122022201111121} is an apocalyptic number.

It is an amenable number.

122022201111121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122022201111121 is an equidigital number, since it uses as much as digits as its factorization.

122022201111121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122022201111121 its reverse (121111102220221), we get a palindrome (243133303331342).

The spelling of 122022201111121 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twenty-one".