1002110102221 has 12 divisors (see below), whose sum is σ = 1060038012000. Its totient is φ = 947204747208.

The previous prime is 1002110102167. The next prime is 1002110102249. The reversal of 1002110102221 is 1222010112001.

It is not a de Polignac number, because 1002110102221 - 2⁹ = 1002110101709 is a prime.

It is a super-4 number, since 4×1002110102221⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002110102321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3003171 + ... + 3320128.

It is an arithmetic number, because the mean of its divisors is an integer number (88336501000).

Almost surely, 2^{1002110102221} is an apocalyptic number.

It is an amenable number.

1002110102221 is a deficient number, since it is larger than the sum of its proper divisors (57927909779).

1002110102221 is an equidigital number, since it uses as much as digits as its factorization.

1002110102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323776 (or 6323757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002110102221 its reverse (1222010112001), we get a palindrome (2224120214222).

The spelling of 1002110102221 in words is "one trillion, two billion, one hundred ten million, one hundred two thousand, two hundred twenty-one".