200021202105 has 32 divisors (see below), whose sum is σ = 347124331008. Its totient is φ = 97953945600.

The previous prime is 200021202097. The next prime is 200021202119. The reversal of 200021202105 is 501202120002.

It is not a de Polignac number, because 200021202105 - 2³ = 200021202097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9555361 + ... + 9576270.

It is an arithmetic number, because the mean of its divisors is an integer number (10847635344).

Almost surely, 2^200021202105 is an apocalyptic number.

It is an amenable number.

200021202105 is a deficient number, since it is larger than the sum of its proper divisors (147103128903).

200021202105 is a wasteful number, since it uses less digits than its factorization.

200021202105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19131697.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 200021202105 its reverse (501202120002), we get a palindrome (701223322107).

The spelling of 200021202105 in words is "two hundred billion, twenty-one million, two hundred two thousand, one hundred five".