10001021002202 has 4 divisors (see below), whose sum is σ = 15001531503306. Its totient is φ = 5000510501100.

The previous prime is 10001021002199. The next prime is 10001021002211. The reversal of 10001021002202 is 20220012010001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6000937001761 + 4000084000441 = 2449681^2 + 2000021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500255250549 + ... + 2500255250552.

Almost surely, 2^{10001021002202} is an apocalyptic number.

10001021002202 is a deficient number, since it is larger than the sum of its proper divisors (5000510501104).

10001021002202 is an equidigital number, since it uses as much as digits as its factorization.

10001021002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000510501103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10001021002202 its reverse (20220012010001), we get a palindrome (30221033012203).

The spelling of 10001021002202 in words is "ten trillion, one billion, twenty-one million, two thousand, two hundred two".