2122102010221 has 8 divisors (see below), whose sum is σ = 2247112226304. Its totient is φ = 1997111870400.

The previous prime is 2122102010213. The next prime is 2122102010257. The reversal of 2122102010221 is 1220102012212.

It is a happy number.

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 2122102010221 - 2³ = 2122102010213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122102010195 and 2122102010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122102017221) 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, 4801165 + ... + 5224498.

It is an arithmetic number, because the mean of its divisors is an integer number (280889028288).

Almost surely, 2^{2122102010221} is an apocalyptic number.

It is an amenable number.

2122102010221 is a deficient number, since it is larger than the sum of its proper divisors (125010216083).

2122102010221 is a wasteful number, since it uses less digits than its factorization.

2122102010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038131.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122102010221 its reverse (1220102012212), we get a palindrome (3342204022433).

The spelling of 2122102010221 in words is "two trillion, one hundred twenty-two billion, one hundred two million, ten thousand, two hundred twenty-one".