121120003121 has 12 divisors (see below), whose sum is σ = 133944124032. Its totient is φ = 109424283696.

The previous prime is 121120003049. The next prime is 121120003129. The reversal of 121120003121 is 121300021121.

It is a de Polignac number, because none of the positive numbers 2^k-121120003121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121120003096 and 121120003105.

It is not an unprimeable number, because it can be changed into a prime (121120003129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7616381 + ... + 7632266.

It is an arithmetic number, because the mean of its divisors is an integer number (11162010336).

Almost surely, 2^121120003121 is an apocalyptic number.

It is an amenable number.

121120003121 is a deficient number, since it is larger than the sum of its proper divisors (12824120911).

121120003121 is a wasteful number, since it uses less digits than its factorization.

121120003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15248720 (or 15248707 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121120003121 its reverse (121300021121), we get a palindrome (242420024242).

The spelling of 121120003121 in words is "one hundred twenty-one billion, one hundred twenty million, three thousand, one hundred twenty-one".