121310110223003 has 4 divisors (see below), whose sum is σ = 130641657163248. Its totient is φ = 111978563282760.

The previous prime is 121310110222913. The next prime is 121310110223009. The reversal of 121310110223003 is 300322011013121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121310110223003 - 2²⁰ = 121310109174427 is a prime.

It is a super-2 number, since 2×121310110223003² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121310110223009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4665773470103 + ... + 4665773470128.

It is an arithmetic number, because the mean of its divisors is an integer number (32660414290812).

Almost surely, 2^{121310110223003} is an apocalyptic number.

121310110223003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121310110223003 is a deficient number, since it is larger than the sum of its proper divisors (9331546940245).

121310110223003 is an equidigital number, since it uses as much as digits as its factorization.

121310110223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331546940244.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121310110223003 its reverse (300322011013121), we get a palindrome (421632121236124).

The spelling of 121310110223003 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred ten million, two hundred twenty-three thousand, three".