10003121122331 has 4 divisors (see below), whose sum is σ = 10003225887000. Its totient is φ = 10003016357664.

The previous prime is 10003121122271. The next prime is 10003121122381. The reversal of 10003121122331 is 13322112130001.

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 10003121122331 - 2¹⁴ = 10003121105947 is a prime.

It is a super-2 number, since 2×10003121122331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10003121122381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52238981 + ... + 52430118.

It is an arithmetic number, because the mean of its divisors is an integer number (2500806471750).

Almost surely, 2^{10003121122331} is an apocalyptic number.

10003121122331 is a deficient number, since it is larger than the sum of its proper divisors (104764669).

10003121122331 is an equidigital number, since it uses as much as digits as its factorization.

10003121122331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104764668.

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

Adding to 10003121122331 its reverse (13322112130001), we get a palindrome (23325233252332).

The spelling of 10003121122331 in words is "ten trillion, three billion, one hundred twenty-one million, one hundred twenty-two thousand, three hundred thirty-one".