10002110122221 has 16 divisors (see below), whose sum is σ = 15241460035200. Its totient is φ = 5715435483648.

The previous prime is 10002110122211. The next prime is 10002110122229. The reversal of 10002110122221 is 12222101120001.

It is not a de Polignac number, because 10002110122221 - 2⁶ = 10002110122157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10002110122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002110122229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90016 + ... + 4473513.

It is an arithmetic number, because the mean of its divisors is an integer number (952591252200).

Almost surely, 2^{10002110122221} is an apocalyptic number.

It is an amenable number.

10002110122221 is a deficient number, since it is larger than the sum of its proper divisors (5239349912979).

10002110122221 is a wasteful number, since it uses less digits than its factorization.

10002110122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667908.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10002110122221 its reverse (12222101120001), we get a palindrome (22224211242222).

The spelling of 10002110122221 in words is "ten trillion, two billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-one".