121120103005 has 32 divisors (see below), whose sum is σ = 165493456128. Its totient is φ = 84235852800.

The previous prime is 121120102981. The next prime is 121120103017. The reversal of 121120103005 is 500301021121.

It is a de Polignac number, because none of the positive numbers 2^k-121120103005 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121120103005.

It is a congruent 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, 6139317 + ... + 6159013.

It is an arithmetic number, because the mean of its divisors is an integer number (5171670504).

Almost surely, 2^121120103005 is an apocalyptic number.

It is an amenable number.

121120103005 is a deficient number, since it is larger than the sum of its proper divisors (44373353123).

121120103005 is a wasteful number, since it uses less digits than its factorization.

121120103005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24597.

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

Adding to 121120103005 its reverse (500301021121), we get a palindrome (621421124126).

The spelling of 121120103005 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred three thousand, five".