1002231134221 has 4 divisors (see below), whose sum is σ = 1003751971200. Its totient is φ = 1000710297244.

The previous prime is 1002231134189. The next prime is 1002231134231. The reversal of 1002231134221 is 1224311322001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002231134221 - 2⁵ = 1002231134189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002231134192 and 1002231134201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002231134231) 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, 760417501 + ... + 760418818.

It is an arithmetic number, because the mean of its divisors is an integer number (250937992800).

Almost surely, 2^{1002231134221} is an apocalyptic number.

It is an amenable number.

1002231134221 is a deficient number, since it is larger than the sum of its proper divisors (1520836979).

1002231134221 is an equidigital number, since it uses as much as digits as its factorization.

1002231134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520836978.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1002231134221 its reverse (1224311322001), we get a palindrome (2226542456222).

The spelling of 1002231134221 in words is "one trillion, two billion, two hundred thirty-one million, one hundred thirty-four thousand, two hundred twenty-one".