200202011021986 has 16 divisors (see below), whose sum is σ = 310327523228160. Its totient is φ = 96766530625440.

The previous prime is 200202011021939. The next prime is 200202011021993. The reversal of 200202011021986 is 689120110202002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756779091 + ... + 1756893046.

It is an arithmetic number, because the mean of its divisors is an integer number (19395470201760).

Almost surely, 2^{200202011021986} is an apocalyptic number.

200202011021986 is a deficient number, since it is larger than the sum of its proper divisors (110125512206174).

200202011021986 is a wasteful number, since it uses less digits than its factorization.

200202011021986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513673089.

The product of its (nonzero) digits is 6912, while the sum is 34.

Adding to 200202011021986 its reverse (689120110202002), we get a palindrome (889322121223988).

The spelling of 200202011021986 in words is "two hundred trillion, two hundred two billion, eleven million, twenty-one thousand, nine hundred eighty-six".