2212102020221 has 8 divisors (see below), whose sum is σ = 2248108024704. Its totient is φ = 2176183944000.

The previous prime is 2212102020217. The next prime is 2212102020239. The reversal of 2212102020221 is 1220202012122.

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 2212102020221 - 2² = 2212102020217 is a prime.

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 2212102020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212102070221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21931340 + ... + 22031973.

It is an arithmetic number, because the mean of its divisors is an integer number (281013503088).

Almost surely, 2^{2212102020221} is an apocalyptic number.

It is an amenable number.

2212102020221 is a deficient number, since it is larger than the sum of its proper divisors (36006004483).

2212102020221 is an equidigital number, since it uses as much as digits as its factorization.

2212102020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43964131.

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

Adding to 2212102020221 its reverse (1220202012122), we get a palindrome (3432304032343).

The spelling of 2212102020221 in words is "two trillion, two hundred twelve billion, one hundred two million, twenty thousand, two hundred twenty-one".