9902101021202 has 8 divisors (see below), whose sum is σ = 15995701649676. Its totient is φ = 4570200471312.

The previous prime is 9902101021147. The next prime is 9902101021207. The reversal of 9902101021202 is 2021201012099.

It can be written as a sum of positive squares in 2 ways, for example, as 9901336996321 + 764024881 = 3146639^2 + 27641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9902101021207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190425019613 + ... + 190425019664.

Almost surely, 2^{9902101021202} is an apocalyptic number.

9902101021202 is a deficient number, since it is larger than the sum of its proper divisors (6093600628474).

9902101021202 is a wasteful number, since it uses less digits than its factorization.

9902101021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380850039292.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 9902101021202 in words is "nine trillion, nine hundred two billion, one hundred one million, twenty-one thousand, two hundred two".