120061110521 has 8 divisors (see below), whose sum is σ = 131140102464. Its totient is φ = 109009509520.

The previous prime is 120061110517. The next prime is 120061110541. The reversal of 120061110521 is 125011160021.

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 120061110521 - 2² = 120061110517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120061110493 and 120061110502.

It is not an unprimeable number, because it can be changed into a prime (120061110541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6838565 + ... + 6856098.

It is an arithmetic number, because the mean of its divisors is an integer number (16392512808).

Almost surely, 2^120061110521 is an apocalyptic number.

120061110521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120061110521 is a deficient number, since it is larger than the sum of its proper divisors (11078991943).

120061110521 is a wasteful number, since it uses less digits than its factorization.

120061110521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13695471.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 120061110521 its reverse (125011160021), we get a palindrome (245072270542).

The spelling of 120061110521 in words is "one hundred twenty billion, sixty-one million, one hundred ten thousand, five hundred twenty-one".