120110211120121 has 4 divisors (see below), whose sum is σ = 120110904974500. Its totient is φ = 120109517265744.

The previous prime is 120110211120103. The next prime is 120110211120131. The reversal of 120110211120121 is 121021112011021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23800737960000 + 96309473160121 = 4878600^2 + 9813739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120110211120121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120110211120095 and 120110211120104.

It is not an unprimeable number, because it can be changed into a prime (120110211120131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346667466 + ... + 347013763.

It is an arithmetic number, because the mean of its divisors is an integer number (30027726243625).

Almost surely, 2^{120110211120121} is an apocalyptic number.

It is an amenable number.

120110211120121 is a deficient number, since it is larger than the sum of its proper divisors (693854379).

120110211120121 is an equidigital number, since it uses as much as digits as its factorization.

120110211120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693854378.

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

Adding to 120110211120121 its reverse (121021112011021), we get a palindrome (241131323131142).

The spelling of 120110211120121 in words is "one hundred twenty trillion, one hundred ten billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-one".