121121123003 has 8 divisors (see below), whose sum is σ = 121455272448. Its totient is φ = 120787067584.

The previous prime is 121121122981. The next prime is 121121123017. The reversal of 121121123003 is 300321121121.

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 121121123003 - 2²⁸ = 120852687547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121121123083) 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, 3135575 + ... + 3173967.

It is an arithmetic number, because the mean of its divisors is an integer number (15181909056).

Almost surely, 2^121121123003 is an apocalyptic number.

121121123003 is a deficient number, since it is larger than the sum of its proper divisors (334149445).

121121123003 is an equidigital number, since it uses as much as digits as its factorization.

121121123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47013.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121121123003 its reverse (300321121121), we get a palindrome (421442244124).

The spelling of 121121123003 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-three thousand, three".