10210000021993 has 4 divisors (see below), whose sum is σ = 10210012047360. Its totient is φ = 10209987996628.

The previous prime is 10210000021973. The next prime is 10210000021999. The reversal of 10210000021993 is 39912000001201.

10210000021993 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, 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 10210000021993 - 2²⁹ = 10209463151081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210000021999) 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, 4633705 + ... + 6472342.

It is an arithmetic number, because the mean of its divisors is an integer number (2552503011840).

Almost surely, 2^{10210000021993} is an apocalyptic number.

It is an amenable number.

10210000021993 is a deficient number, since it is larger than the sum of its proper divisors (12025367).

10210000021993 is an equidigital number, since it uses as much as digits as its factorization.

10210000021993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12025366.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 10210000021993 in words is "ten trillion, two hundred ten billion, twenty-one thousand, nine hundred ninety-three".