122020231121 has 2 divisors, whose sum is σ = 122020231122. Its totient is φ = 122020231120.

The previous prime is 122020231117. The next prime is 122020231127. The reversal of 122020231121 is 121132020221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120106606096 + 1913625025 = 346564^2 + 43745^2 .

It is an emirp because it is prime and its reverse (121132020221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122020231121 - 2² = 122020231117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122020231121.

It is not a weakly prime, because it can be changed into another prime (122020231127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010115560 + 61010115561.

It is an arithmetic number, because the mean of its divisors is an integer number (61010115561).

Almost surely, 2^122020231121 is an apocalyptic number.

It is an amenable number.

122020231121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020231121 is an equidigital number, since it uses as much as digits as its factorization.

122020231121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122020231121 its reverse (121132020221), we get a palindrome (243152251342).

The spelling of 122020231121 in words is "one hundred twenty-two billion, twenty million, two hundred thirty-one thousand, one hundred twenty-one".