1002010221102 has 96 divisors (see below), whose sum is σ = 2311938236160. Its totient is φ = 287083117440.

The previous prime is 1002010221097. The next prime is 1002010221103. The reversal of 1002010221102 is 2011220102001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002010221103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11942674 + ... + 12026282.

It is an arithmetic number, because the mean of its divisors is an integer number (24082689960).

Almost surely, 2^{1002010221102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002010221102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155969118080).

1002010221102 is an abundant number, since it is smaller than the sum of its proper divisors (1309928015058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002010221102 is a wasteful number, since it uses less digits than its factorization.

1002010221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84166 (or 84147 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002010221102 its reverse (2011220102001), we get a palindrome (3013230323103).

The spelling of 1002010221102 in words is "one trillion, two billion, ten million, two hundred twenty-one thousand, one hundred two".