120111101120121 has 16 divisors (see below), whose sum is σ = 168580506992640. Its totient is φ = 75858057478800.

The previous prime is 120111101120111. The next prime is 120111101120281. The reversal of 120111101120121 is 121021101111021.

120111101120121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 120111101120121 - 2²⁶ = 120111034011257 is a prime.

It is a super-2 number, since 2×120111101120121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120111101120121.

It is not an unprimeable number, because it can be changed into a prime (120111101120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19264105 + ... + 24725046.

It is an arithmetic number, because the mean of its divisors is an integer number (10536281687040).

Almost surely, 2^{120111101120121} is an apocalyptic number.

It is an amenable number.

120111101120121 is a deficient number, since it is larger than the sum of its proper divisors (48469405872519).

120111101120121 is a wasteful number, since it uses less digits than its factorization.

120111101120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44037076.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 120111101120121 its reverse (121021101111021), we get a palindrome (241132202231142).

The spelling of 120111101120121 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred one million, one hundred twenty thousand, one hundred twenty-one".