122020020022121 has 16 divisors (see below), whose sum is σ = 131436719805888. Its totient is φ = 112607685864000.

The previous prime is 122020020022099. The next prime is 122020020022127. The reversal of 122020020022121 is 121220020020221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122020020022121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122020020022121.

It is not an unprimeable number, because it can be changed into a prime (122020020022127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2593333046 + ... + 2593380096.

It is an arithmetic number, because the mean of its divisors is an integer number (8214794987868).

Almost surely, 2^{122020020022121} is an apocalyptic number.

It is an amenable number.

122020020022121 is a deficient number, since it is larger than the sum of its proper divisors (9416699783767).

122020020022121 is a wasteful number, since it uses less digits than its factorization.

122020020022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89192.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122020020022121 its reverse (121220020020221), we get a palindrome (243240040042342).

The spelling of 122020020022121 in words is "one hundred twenty-two trillion, twenty billion, twenty million, twenty-two thousand, one hundred twenty-one".