1021110002217 has 32 divisors (see below), whose sum is σ = 1522249209600. Its totient is φ = 676470196224.

The previous prime is 1021110002203. The next prime is 1021110002251. The reversal of 1021110002217 is 7122000111201.

It is not a de Polignac number, because 1021110002217 - 2¹² = 1021109998121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021110002217.

It is not an unprimeable number, because it can be changed into a prime (1021110002417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16693353 + ... + 16754409.

It is an arithmetic number, because the mean of its divisors is an integer number (47570287800).

Almost surely, 2^{1021110002217} is an apocalyptic number.

It is an amenable number.

1021110002217 is a deficient number, since it is larger than the sum of its proper divisors (501139207383).

1021110002217 is a wasteful number, since it uses less digits than its factorization.

1021110002217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64942 (or 64936 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 1021110002217 its reverse (7122000111201), we get a palindrome (8143110113418).

The spelling of 1021110002217 in words is "one trillion, twenty-one billion, one hundred ten million, two thousand, two hundred seventeen".