200100031123021 has 8 divisors (see below), whose sum is σ = 200962052403840. Its totient is φ = 199238037388512.

The previous prime is 200100031123019. The next prime is 200100031123067. The reversal of 200100031123021 is 120321130001002.

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

It is a cyclic number.

It is not a de Polignac number, because 200100031123021 - 2¹ = 200100031123019 is a prime.

It is a super-3 number, since 3×200100031123021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200100031122986 and 200100031123004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100031127021) 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, 7739746 + ... + 21450028.

It is an arithmetic number, because the mean of its divisors is an integer number (25120256550480).

Almost surely, 2^{200100031123021} is an apocalyptic number.

It is an amenable number.

200100031123021 is a deficient number, since it is larger than the sum of its proper divisors (862021280819).

200100031123021 is a wasteful number, since it uses less digits than its factorization.

200100031123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13773155.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 200100031123021 its reverse (120321130001002), we get a palindrome (320421161124023).

The spelling of 200100031123021 in words is "two hundred trillion, one hundred billion, thirty-one million, one hundred twenty-three thousand, twenty-one".