2012210102221 has 8 divisors (see below), whose sum is σ = 2270832717600. Its totient is φ = 1766203224240.

The previous prime is 2012210102219. The next prime is 2012210102281. The reversal of 2012210102221 is 1222010122102.

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 2012210102221 - 2¹ = 2012210102219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012210102195 and 2012210102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012210102281) 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, 3153934011 + ... + 3153934648.

It is an arithmetic number, because the mean of its divisors is an integer number (283854089700).

Almost surely, 2^{2012210102221} is an apocalyptic number.

It is an amenable number.

2012210102221 is a deficient number, since it is larger than the sum of its proper divisors (258622615379).

2012210102221 is a wasteful number, since it uses less digits than its factorization.

2012210102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307868699.

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

Adding to 2012210102221 its reverse (1222010122102), we get a palindrome (3234220224323).

The spelling of 2012210102221 in words is "two trillion, twelve billion, two hundred ten million, one hundred two thousand, two hundred twenty-one".