122120120122221 has 8 divisors (see below), whose sum is σ = 175351967355040. Its totient is φ = 75150843152112.

The previous prime is 122120120122199. The next prime is 122120120122249. The reversal of 122120120122221 is 122221021021221.

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

It is not a de Polignac number, because 122120120122221 - 2³⁴ = 122102940253037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120120127221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565642565631 + ... + 1565642565708.

It is an arithmetic number, because the mean of its divisors is an integer number (21918995919380).

Almost surely, 2^{122120120122221} is an apocalyptic number.

It is an amenable number.

122120120122221 is a deficient number, since it is larger than the sum of its proper divisors (53231847232819).

122120120122221 is a wasteful number, since it uses less digits than its factorization.

122120120122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131285131355.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122120120122221 its reverse (122221021021221), we get a palindrome (244341141143442).

The spelling of 122120120122221 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-one".