200202011021985 has 64 divisors (see below), whose sum is σ = 377084441470464. Its totient is φ = 88795393689600.

The previous prime is 200202011021939. The next prime is 200202011021993. The reversal of 200202011021985 is 589120110202002.

It is not a de Polignac number, because 200202011021985 - 2⁶ = 200202011021921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127686354 + ... + 129244763.

It is an arithmetic number, because the mean of its divisors is an integer number (5891944397976).

Almost surely, 2^{200202011021985} is an apocalyptic number.

It is an amenable number.

200202011021985 is a deficient number, since it is larger than the sum of its proper divisors (176882430448479).

200202011021985 is a wasteful number, since it uses less digits than its factorization.

200202011021985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256931354.

The product of its (nonzero) digits is 5760, while the sum is 33.

Adding to 200202011021985 its reverse (589120110202002), we get a palindrome (789322121223987).

The spelling of 200202011021985 in words is "two hundred trillion, two hundred two billion, eleven million, twenty-one thousand, nine hundred eighty-five".