121310103213003 has 4 divisors (see below), whose sum is σ = 161746804284008. Its totient is φ = 80873402142000.

The previous prime is 121310103213001. The next prime is 121310103213037. The reversal of 121310103213003 is 300312301013121.

It is a happy number.

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

It is not a de Polignac number, because 121310103213003 - 2¹ = 121310103213001 is a prime.

It is a super-2 number, since 2×121310103213003² (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 (121310103213001) 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, 20218350535498 + ... + 20218350535503.

It is an arithmetic number, because the mean of its divisors is an integer number (40436701071002).

Almost surely, 2^{121310103213003} is an apocalyptic number.

121310103213003 is a deficient number, since it is larger than the sum of its proper divisors (40436701071005).

121310103213003 is an equidigital number, since it uses as much as digits as its factorization.

121310103213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40436701071004.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121310103213003 its reverse (300312301013121), we get a palindrome (421622404226124).

The spelling of 121310103213003 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred three million, two hundred thirteen thousand, three".