122120112001 has 8 divisors (see below), whose sum is σ = 127516345344. Its totient is φ = 116731100640.

The previous prime is 122120111987. The next prime is 122120112007. The reversal of 122120112001 is 100211021221.

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 122120112001 - 2²⁵ = 122086557569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122120112007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770916 + ... + 1838581.

It is an arithmetic number, because the mean of its divisors is an integer number (15939543168).

Almost surely, 2^122120112001 is an apocalyptic number.

It is an amenable number.

122120112001 is a deficient number, since it is larger than the sum of its proper divisors (5396233343).

122120112001 is a wasteful number, since it uses less digits than its factorization.

122120112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610991.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122120112001 its reverse (100211021221), we get a palindrome (222331133222).

The spelling of 122120112001 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, one".