122212120210121 has 8 divisors (see below), whose sum is σ = 126989906585088. Its totient is φ = 117486550080000.

The previous prime is 122212120210069. The next prime is 122212120210127. The reversal of 122212120210121 is 121012021212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122212120210121 - 2¹⁸ = 122212119947977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122212120210093 and 122212120210102.

It is not an unprimeable number, because it can be changed into a prime (122212120210127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13054056440 + ... + 13054065801.

It is an arithmetic number, because the mean of its divisors is an integer number (15873738323136).

Almost surely, 2^{122212120210121} is an apocalyptic number.

It is an amenable number.

122212120210121 is a deficient number, since it is larger than the sum of its proper divisors (4777786374967).

122212120210121 is a wasteful number, since it uses less digits than its factorization.

122212120210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26108122423.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122212120210121 its reverse (121012021212221), we get a palindrome (243224141422342).

The spelling of 122212120210121 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-one".