2121132221003 has 8 divisors (see below), whose sum is σ = 2121823245888. Its totient is φ = 2120441294664.

The previous prime is 2121132220969. The next prime is 2121132221057. The reversal of 2121132221003 is 3001222311212.

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 2121132221003 - 2¹⁴ = 2121132204619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121132221303) 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 7 ways as a sum of consecutive naturals, for example, 84283100 + ... + 84308262.

It is an arithmetic number, because the mean of its divisors is an integer number (265227905736).

Almost surely, 2^{2121132221003} is an apocalyptic number.

2121132221003 is a deficient number, since it is larger than the sum of its proper divisors (691024885).

2121132221003 is a wasteful number, since it uses less digits than its factorization.

2121132221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49273.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2121132221003 its reverse (3001222311212), we get a palindrome (5122354532215).

The spelling of 2121132221003 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-two million, two hundred twenty-one thousand, three".