10010001220002 has 256 divisors, whose sum is σ = 25961620608000. Its totient is φ = 2800040804352.

The previous prime is 10010001219973. The next prime is 10010001220003. The reversal of 10010001220002 is 20002210001001.

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 (10010001220003) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3073379158 + ... + 3073382414.

It is an arithmetic number, because the mean of its divisors is an integer number (101412580500).

Almost surely, 2^{10010001220002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10010001220002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12980810304000).

10010001220002 is an abundant number, since it is smaller than the sum of its proper divisors (15951619387998).

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

10010001220002 is a wasteful number, since it uses less digits than its factorization.

10010001220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250 (or 4244 counting only the distinct ones).

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

Adding to 10010001220002 its reverse (20002210001001), we get a palindrome (30012211221003).

The spelling of 10010001220002 in words is "ten trillion, ten billion, one million, two hundred twenty thousand, two".