121112131131003 has 4 divisors (see below), whose sum is σ = 161482841508008. Its totient is φ = 80741420754000.

The previous prime is 121112131130993. The next prime is 121112131131077. The reversal of 121112131131003 is 300131131211121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121112131131003 - 2³⁴ = 121094951261819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112131131403) 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, 20185355188498 + ... + 20185355188503.

It is an arithmetic number, because the mean of its divisors is an integer number (40370710377002).

Almost surely, 2^{121112131131003} is an apocalyptic number.

121112131131003 is a deficient number, since it is larger than the sum of its proper divisors (40370710377005).

121112131131003 is an equidigital number, since it uses as much as digits as its factorization.

121112131131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40370710377004.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 121112131131003 its reverse (300131131211121), we get a palindrome (421243262342124).

The spelling of 121112131131003 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred thirty-one million, one hundred thirty-one thousand, three".