2122403433221 has 4 divisors (see below), whose sum is σ = 2122462649952. Its totient is φ = 2122344216492.

The previous prime is 2122403433193. The next prime is 2122403433253. The reversal of 2122403433221 is 1223343042212.

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 2122403433221 - 2²⁶ = 2122336324357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122403433721) 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, 29554571 + ... + 29626296.

It is an arithmetic number, because the mean of its divisors is an integer number (530615662488).

Almost surely, 2^{2122403433221} is an apocalyptic number.

It is an amenable number.

2122403433221 is a deficient number, since it is larger than the sum of its proper divisors (59216731).

2122403433221 is an equidigital number, since it uses as much as digits as its factorization.

2122403433221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59216730.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2122403433221 its reverse (1223343042212), we get a palindrome (3345746475433).

The spelling of 2122403433221 in words is "two trillion, one hundred twenty-two billion, four hundred three million, four hundred thirty-three thousand, two hundred twenty-one".