2121031132003 has 8 divisors (see below), whose sum is σ = 2441474685440. Its totient is φ = 1804947355080.

The previous prime is 2121031131997. The next prime is 2121031132021. The reversal of 2121031132003 is 3002311301212.

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 2121031132003 - 2⁵ = 2121031131971 is a prime.

It is a super-2 number, since 2×2121031132003² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121031132303) 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, 1089943083 + ... + 1089945028.

It is an arithmetic number, because the mean of its divisors is an integer number (305184335680).

Almost surely, 2^{2121031132003} is an apocalyptic number.

2121031132003 is a deficient number, since it is larger than the sum of its proper divisors (320443553437).

2121031132003 is a wasteful number, since it uses less digits than its factorization.

2121031132003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179888257.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2121031132003 its reverse (3002311301212), we get a palindrome (5123342433215).

The spelling of 2121031132003 in words is "two trillion, one hundred twenty-one billion, thirty-one million, one hundred thirty-two thousand, three".