10002102122 has 8 divisors (see below), whose sum is σ = 15013627236. Its totient is φ = 4997559712.

The previous prime is 10002102083. The next prime is 10002102127. The reversal of 10002102122 is 22120120001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9824972641 + 177129481 = 99121^2 + 13309^2 .

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 (10002102127) 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 3 ways as a sum of consecutive naturals, for example, 1742093 + ... + 1747824.

Almost surely, 2^10002102122 is an apocalyptic number.

10002102122 is a deficient number, since it is larger than the sum of its proper divisors (5011525114).

10002102122 is a wasteful number, since it uses less digits than its factorization.

10002102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491352.

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

Adding to 10002102122 its reverse (22120120001), we get a palindrome (32122222123).

The spelling of 10002102122 in words is "ten billion, two million, one hundred two thousand, one hundred twenty-two".