10200042021 has 8 divisors (see below), whose sum is σ = 14646214240. Its totient is φ = 6276948912.

The previous prime is 10200041981. The next prime is 10200042031. The reversal of 10200042021 is 12024000201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10200042021 - 2¹⁴ = 10200025637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200041988 and 10200042006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200042031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130769731 + ... + 130769808.

It is an arithmetic number, because the mean of its divisors is an integer number (1830776780).

Almost surely, 2^10200042021 is an apocalyptic number.

It is an amenable number.

10200042021 is a deficient number, since it is larger than the sum of its proper divisors (4446172219).

10200042021 is a wasteful number, since it uses less digits than its factorization.

10200042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261539555.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10200042021 its reverse (12024000201), we get a palindrome (22224042222).

The spelling of 10200042021 in words is "ten billion, two hundred million, forty-two thousand, twenty-one".