122022120012221 has 16 divisors (see below), whose sum is σ = 143355005965248. Its totient is φ = 102395936419200.

The previous prime is 122022120012197. The next prime is 122022120012251. The reversal of 122022120012221 is 122210021220221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122022120012221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122022120012193 and 122022120012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022120012251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80640410 + ... + 82139636.

It is an arithmetic number, because the mean of its divisors is an integer number (8959687872828).

Almost surely, 2^{122022120012221} is an apocalyptic number.

122022120012221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122022120012221 is a deficient number, since it is larger than the sum of its proper divisors (21332885953027).

122022120012221 is a wasteful number, since it uses less digits than its factorization.

122022120012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068412.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122022120012221 its reverse (122210021220221), we get a palindrome (244232141232442).

The spelling of 122022120012221 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred twenty million, twelve thousand, two hundred twenty-one".