10002121231330 has 16 divisors (see below), whose sum is σ = 18003868604280. Its totient is φ = 4000837295232.

The previous prime is 10002121231283. The next prime is 10002121231337. The reversal of 10002121231330 is 3313212120001.

It can be written as a sum of positive squares in 4 ways, for example, as 2546714880649 + 7455406350681 = 1595843^2 + 2730459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10002121231298 and 10002121231307.

It is not an unprimeable number, because it can be changed into a prime (10002121231337) 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 7 ways as a sum of consecutive naturals, for example, 3015136 + ... + 5394004.

Almost surely, 2^{10002121231330} is an apocalyptic number.

10002121231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10002121231330 is a deficient number, since it is larger than the sum of its proper divisors (8001747372950).

10002121231330 is a wasteful number, since it uses less digits than its factorization.

10002121231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799333.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10002121231330 its reverse (3313212120001), we get a palindrome (13315333351331).

The spelling of 10002121231330 in words is "ten trillion, two billion, one hundred twenty-one million, two hundred thirty-one thousand, three hundred thirty".