1010120212221 has 8 divisors (see below), whose sum is σ = 1426052064384. Its totient is φ = 633800917440.

The previous prime is 1010120212207. The next prime is 1010120212267. The reversal of 1010120212221 is 1222120210101.

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

It is not a de Polignac number, because 1010120212221 - 2¹⁰ = 1010120211197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010120212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010120232221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9903139285 + ... + 9903139386.

It is an arithmetic number, because the mean of its divisors is an integer number (178256508048).

Almost surely, 2^{1010120212221} is an apocalyptic number.

It is an amenable number.

1010120212221 is a deficient number, since it is larger than the sum of its proper divisors (415931852163).

1010120212221 is a wasteful number, since it uses less digits than its factorization.

1010120212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19806278691.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1010120212221 its reverse (1222120210101), we get a palindrome (2232240422322).

The spelling of 1010120212221 in words is "one trillion, ten billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-one".