10200043213121 has 4 divisors (see below), whose sum is σ = 10277906138544. Its totient is φ = 10122180287700.

The previous prime is 10200043213111. The next prime is 10200043213183. The reversal of 10200043213121 is 12131234000201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10200043213121 - 2²⁶ = 10199976104257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200043213093 and 10200043213102.

It is not an unprimeable number, because it can be changed into a prime (10200043213111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38931462515 + ... + 38931462776.

It is an arithmetic number, because the mean of its divisors is an integer number (2569476534636).

Almost surely, 2^{10200043213121} is an apocalyptic number.

It is an amenable number.

10200043213121 is a deficient number, since it is larger than the sum of its proper divisors (77862925423).

10200043213121 is an equidigital number, since it uses as much as digits as its factorization.

10200043213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77862925422.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10200043213121 its reverse (12131234000201), we get a palindrome (22331277213322).

The spelling of 10200043213121 in words is "ten trillion, two hundred billion, forty-three million, two hundred thirteen thousand, one hundred twenty-one".