10002121001103 has 32 divisors (see below), whose sum is σ = 16827226601472. Its totient is φ = 5133305714400.

The previous prime is 10002121001099. The next prime is 10002121001111. The reversal of 10002121001103 is 30110012120001.

It is not a de Polignac number, because 10002121001103 - 2² = 10002121001099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002121001123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260819533 + ... + 260857878.

It is an arithmetic number, because the mean of its divisors is an integer number (525850831296).

Almost surely, 2^{10002121001103} is an apocalyptic number.

10002121001103 is a deficient number, since it is larger than the sum of its proper divisors (6825105600369).

10002121001103 is a wasteful number, since it uses less digits than its factorization.

10002121001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521677515.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10002121001103 its reverse (30110012120001), we get a palindrome (40112133121104).

The spelling of 10002121001103 in words is "ten trillion, two billion, one hundred twenty-one million, one thousand, one hundred three".