120020131105 has 32 divisors (see below), whose sum is σ = 166919931648. Its totient is φ = 81139968000.

The previous prime is 120020131093. The next prime is 120020131139. The reversal of 120020131105 is 501131020021.

It is a de Polignac number, because none of the positive numbers 2^k-120020131105 is a prime.

It is a super-2 number, since 2×120020131105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7685305 + ... + 7700905.

It is an arithmetic number, because the mean of its divisors is an integer number (5216247864).

Almost surely, 2^120020131105 is an apocalyptic number.

It is an amenable number.

120020131105 is a deficient number, since it is larger than the sum of its proper divisors (46899800543).

120020131105 is a wasteful number, since it uses less digits than its factorization.

120020131105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18697.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 120020131105 its reverse (501131020021), we get a palindrome (621151151126).

The spelling of 120020131105 in words is "one hundred twenty billion, twenty million, one hundred thirty-one thousand, one hundred five".