10002121012102 has 4 divisors (see below), whose sum is σ = 15003181518156. Its totient is φ = 5001060506050.

The previous prime is 10002121012057. The next prime is 10002121012123. The reversal of 10002121012102 is 20121012120001.

10002121012102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500530253024 + ... + 2500530253027.

It is an arithmetic number, because the mean of its divisors is an integer number (3750795379539).

Almost surely, 2^{10002121012102} is an apocalyptic number.

10002121012102 is a deficient number, since it is larger than the sum of its proper divisors (5001060506054).

10002121012102 is an equidigital number, since it uses as much as digits as its factorization.

10002121012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001060506053.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10002121012102 its reverse (20121012120001), we get a palindrome (30123133132103).

The spelling of 10002121012102 in words is "ten trillion, two billion, one hundred twenty-one million, twelve thousand, one hundred two".