2012202102221 has 8 divisors (see below), whose sum is σ = 2030026156224. Its totient is φ = 1994415377760.

The previous prime is 2012202102203. The next prime is 2012202102259. The reversal of 2012202102221 is 1222012022102.

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 2012202102221 - 2¹⁴ = 2012202085837 is a prime.

It is a super-2 number, since 2×2012202102221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012202102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012202102271) 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, 9224096 + ... + 9439721.

It is an arithmetic number, because the mean of its divisors is an integer number (253753269528).

Almost surely, 2^{2012202102221} is an apocalyptic number.

It is an amenable number.

2012202102221 is a deficient number, since it is larger than the sum of its proper divisors (17824054003).

2012202102221 is a wasteful number, since it uses less digits than its factorization.

2012202102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18664771.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012202102221 its reverse (1222012022102), we get a palindrome (3234214124323).

The spelling of 2012202102221 in words is "two trillion, twelve billion, two hundred two million, one hundred two thousand, two hundred twenty-one".