200012101021 has 8 divisors (see below), whose sum is σ = 200946938400. Its totient is φ = 199078681200.

The previous prime is 200012100997. The next prime is 200012101063. The reversal of 200012101021 is 120101210002.

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 200012101021 - 2⁵ = 200012100989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200012100989 and 200012101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012101321) 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, 71011 + ... + 636448.

It is an arithmetic number, because the mean of its divisors is an integer number (25118367300).

Almost surely, 2^200012101021 is an apocalyptic number.

It is an amenable number.

200012101021 is a deficient number, since it is larger than the sum of its proper divisors (934837379).

200012101021 is a wasteful number, since it uses less digits than its factorization.

200012101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708779.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200012101021 its reverse (120101210002), we get a palindrome (320113311023).

The spelling of 200012101021 in words is "two hundred billion, twelve million, one hundred one thousand, twenty-one".