2122020010221 has 8 divisors (see below), whose sum is σ = 2830754482080. Its totient is φ = 1413982772592.

The previous prime is 2122020010181. The next prime is 2122020010249. The reversal of 2122020010221 is 1220100202212.

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

It is not a de Polignac number, because 2122020010221 - 2⁷ = 2122020010093 is a prime.

It is a super-3 number, since 3×2122020010221³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2122020010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122020010021) 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, 174301455 + ... + 174313628.

It is an arithmetic number, because the mean of its divisors is an integer number (353844310260).

Almost surely, 2^{2122020010221} is an apocalyptic number.

It is an amenable number.

2122020010221 is a deficient number, since it is larger than the sum of its proper divisors (708734471859).

2122020010221 is a wasteful number, since it uses less digits than its factorization.

2122020010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348617115.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122020010221 its reverse (1220100202212), we get a palindrome (3342120212433).

The spelling of 2122020010221 in words is "two trillion, one hundred twenty-two billion, twenty million, ten thousand, two hundred twenty-one".