122212110020121 has 24 divisors (see below), whose sum is σ = 199217232639360. Its totient is φ = 71513878380000.

The previous prime is 122212110020081. The next prime is 122212110020129. The reversal of 122212110020121 is 121020011212221.

122212110020121 is a `hidden beast` number, since 1 + 222 + 121 + 100 + 201 + 21 = 666.

It is not a de Polignac number, because 122212110020121 - 2⁴² = 117814063509017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122212110020094 and 122212110020103.

It is not an unprimeable number, because it can be changed into a prime (122212110020129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21283889505 + ... + 21283895246.

It is an arithmetic number, because the mean of its divisors is an integer number (8300718026640).

Almost surely, 2^{122212110020121} is an apocalyptic number.

122212110020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122212110020121 is a deficient number, since it is larger than the sum of its proper divisors (77005122619239).

122212110020121 is a wasteful number, since it uses less digits than its factorization.

122212110020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42567784797 (or 42567784794 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122212110020121 its reverse (121020011212221), we get a palindrome (243232121232342).

The spelling of 122212110020121 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred ten million, twenty thousand, one hundred twenty-one".