10200234021 has 4 divisors (see below), whose sum is σ = 13600312032. Its totient is φ = 6800156012.

The previous prime is 10200234013. The next prime is 10200234041. The reversal of 10200234021 is 12043200201.

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 10200234021 - 2³ = 10200234013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200234001) 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, 1700039001 + ... + 1700039006.

It is an arithmetic number, because the mean of its divisors is an integer number (3400078008).

Almost surely, 2^10200234021 is an apocalyptic number.

It is an amenable number.

10200234021 is a deficient number, since it is larger than the sum of its proper divisors (3400078011).

10200234021 is an equidigital number, since it uses as much as digits as its factorization.

10200234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400078010.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10200234021 its reverse (12043200201), we get a palindrome (22243434222).

The spelling of 10200234021 in words is "ten billion, two hundred million, two hundred thirty-four thousand, twenty-one".