120123321211321 has 48 divisors (see below), whose sum is σ = 128998590886144. Its totient is φ = 111830472585216.

The previous prime is 120123321211301. The next prime is 120123321211349. The reversal of 120123321211321 is 123112123321021.

It is not a de Polignac number, because 120123321211321 - 2²⁹ = 120122784340409 is a prime.

It is a super-2 number, since 2×120123321211321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120123321211301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8658777841 + ... + 8658791713.

Almost surely, 2^{120123321211321} is an apocalyptic number.

It is an amenable number.

120123321211321 is a deficient number, since it is larger than the sum of its proper divisors (8875269674823).

120123321211321 is a wasteful number, since it uses less digits than its factorization.

120123321211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14930 (or 14913 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 120123321211321 its reverse (123112123321021), we get a palindrome (243235444532342).

The spelling of 120123321211321 in words is "one hundred twenty trillion, one hundred twenty-three billion, three hundred twenty-one million, two hundred eleven thousand, three hundred twenty-one".