201023202110202 has 48 divisors (see below), whose sum is σ = 440323834827240. Its totient is φ = 66274229293056.

The previous prime is 201023202110201. The next prime is 201023202110219. The reversal of 201023202110202 is 202011202320102.

201023202110202 is a `hidden beast` number, since 20 + 1 + 0 + 232 + 0 + 211 + 0 + 202 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 113105968846641 + 87917233263561 = 10635129^2 + 9376419^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201023202110201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34356577 + ... + 39779652.

Almost surely, 2^{201023202110202} is an apocalyptic number.

201023202110202 is an abundant number, since it is smaller than the sum of its proper divisors (239300632717038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201023202110202 is a wasteful number, since it uses less digits than its factorization.

201023202110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74137887 (or 74137884 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201023202110202 its reverse (202011202320102), we get a palindrome (403034404430304).

The spelling of 201023202110202 in words is "two hundred one trillion, twenty-three billion, two hundred two million, one hundred ten thousand, two hundred two".