2312204002221 has 8 divisors (see below), whose sum is σ = 3083061610944. Its totient is φ = 1541407864160.

The previous prime is 2312204002219. The next prime is 2312204002259. The reversal of 2312204002221 is 1222004022132.

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 2312204002221 - 2¹ = 2312204002219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312204002421) 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 7 ways as a sum of consecutive naturals, for example, 15279825 + ... + 15430406.

It is an arithmetic number, because the mean of its divisors is an integer number (385382701368).

Almost surely, 2^{2312204002221} is an apocalyptic number.

It is an amenable number.

2312204002221 is a deficient number, since it is larger than the sum of its proper divisors (770857608723).

2312204002221 is a wasteful number, since it uses less digits than its factorization.

2312204002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30735331.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2312204002221 its reverse (1222004022132), we get a palindrome (3534208024353).

The spelling of 2312204002221 in words is "two trillion, three hundred twelve billion, two hundred four million, two thousand, two hundred twenty-one".