122000020220121 has 32 divisors (see below), whose sum is σ = 163491118151040. Its totient is φ = 80922258579456.

The previous prime is 122000020220063. The next prime is 122000020220137. The reversal of 122000020220121 is 121022020000221.

It is a de Polignac number, because none of the positive numbers 2^k-122000020220121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122000020220121.

It is not an unprimeable number, because it can be changed into a prime (122000020220191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2419793905 + ... + 2419844321.

It is an arithmetic number, because the mean of its divisors is an integer number (5109097442220).

Almost surely, 2^{122000020220121} is an apocalyptic number.

It is an amenable number.

122000020220121 is a deficient number, since it is larger than the sum of its proper divisors (41491097930919).

122000020220121 is a wasteful number, since it uses less digits than its factorization.

122000020220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55913.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122000020220121 its reverse (121022020000221), we get a palindrome (243022040220342).

The spelling of 122000020220121 in words is "one hundred twenty-two trillion, twenty million, two hundred twenty thousand, one hundred twenty-one".