201021102110202 has 32 divisors (see below), whose sum is σ = 438599387464704. Its totient is φ = 60914389383600.

The previous prime is 201021102110197. The next prime is 201021102110233. The reversal of 201021102110202 is 202011201120102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23703148 + ... + 31046439.

It is an arithmetic number, because the mean of its divisors is an integer number (13706230858272).

Almost surely, 2^{201021102110202} is an apocalyptic number.

201021102110202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201021102110202 is an abundant number, since it is smaller than the sum of its proper divisors (237578285354502).

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

201021102110202 is a wasteful number, since it uses less digits than its factorization.

201021102110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54805234.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201021102110202 its reverse (202011201120102), we get a palindrome (403032303230304).

The spelling of 201021102110202 in words is "two hundred one trillion, twenty-one billion, one hundred two million, one hundred ten thousand, two hundred two".