122120212101121 has 8 divisors (see below), whose sum is σ = 131517664147520. Its totient is φ = 112723272851472.

The previous prime is 122120212101109. The next prime is 122120212101179. The reversal of 122120212101121 is 121101212021221.

It is a happy number.

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 122120212101121 - 2⁹ = 122120212100609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120212101101) 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, 127704501 + ... + 128657218.

It is an arithmetic number, because the mean of its divisors is an integer number (16439708018440).

Almost surely, 2^{122120212101121} is an apocalyptic number.

It is an amenable number.

122120212101121 is a deficient number, since it is larger than the sum of its proper divisors (9397452046399).

122120212101121 is a wasteful number, since it uses less digits than its factorization.

122120212101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256398375.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122120212101121 its reverse (121101212021221), we get a palindrome (243221424122342).

The spelling of 122120212101121 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred twelve million, one hundred one thousand, one hundred twenty-one".