120010202011121 has 4 divisors (see below), whose sum is σ = 127069625658852. Its totient is φ = 112950778363392.

The previous prime is 120010202011109. The next prime is 120010202011129. The reversal of 120010202011121 is 121110202010021.

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 107764849570225 + 12245352440896 = 10380985^2 + 3499336^2 .

It is a cyclic number.

It is not a de Polignac number, because 120010202011121 - 2²⁶ = 120010134902257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120010202011096 and 120010202011105.

It is not an unprimeable number, because it can be changed into a prime (120010202011129) 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, 3529711823840 + ... + 3529711823873.

It is an arithmetic number, because the mean of its divisors is an integer number (31767406414713).

Almost surely, 2^{120010202011121} is an apocalyptic number.

It is an amenable number.

120010202011121 is a deficient number, since it is larger than the sum of its proper divisors (7059423647731).

120010202011121 is an equidigital number, since it uses as much as digits as its factorization.

120010202011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059423647730.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120010202011121 its reverse (121110202010021), we get a palindrome (241120404021142).

The spelling of 120010202011121 in words is "one hundred twenty trillion, ten billion, two hundred two million, eleven thousand, one hundred twenty-one".