10000100221002 has 24 divisors (see below), whose sum is σ = 22252475268036. Its totient is φ = 3243275747136.

The previous prime is 10000100220989. The next prime is 10000100221003. The reversal of 10000100221002 is 20012200100001.

It can be written as a sum of positive squares in 2 ways, for example, as 9121964427081 + 878135793921 = 3020259^2 + 937089^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10000100221003) 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, 7507582083 + ... + 7507583414.

Almost surely, 2^{10000100221002} is an apocalyptic number.

10000100221002 is an abundant number, since it is smaller than the sum of its proper divisors (12252375047034).

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

10000100221002 is a wasteful number, since it uses less digits than its factorization.

10000100221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015165542 (or 15015165539 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10000100221002 its reverse (20012200100001), we get a palindrome (30012300321003).

The spelling of 10000100221002 in words is "ten trillion, one hundred million, two hundred twenty-one thousand, two".