2123002000221 has 8 divisors (see below), whose sum is σ = 2921981247744. Its totient is φ = 1369678709760.

The previous prime is 2123002000153. The next prime is 2123002000253. The reversal of 2123002000221 is 1220002003212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123002000221 - 2³³ = 2114412065629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123002000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123002000261) 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, 11413989156 + ... + 11413989341.

It is an arithmetic number, because the mean of its divisors is an integer number (365247655968).

Almost surely, 2^{2123002000221} is an apocalyptic number.

It is an amenable number.

2123002000221 is a deficient number, since it is larger than the sum of its proper divisors (798979247523).

2123002000221 is a wasteful number, since it uses less digits than its factorization.

2123002000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827978531.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2123002000221 its reverse (1220002003212), we get a palindrome (3343004003433).

The spelling of 2123002000221 in words is "two trillion, one hundred twenty-three billion, two million, two hundred twenty-one", and thus it is an aban number.