201021100112210 has 16 divisors (see below), whose sum is σ = 413529120230976. Its totient is φ = 68921520038448.

The previous prime is 201021100112197. The next prime is 201021100112237. The reversal of 201021100112210 is 12211001120102.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 1435865000732 + ... + 1435865000871.

It is an arithmetic number, because the mean of its divisors is an integer number (25845570014436).

Almost surely, 2^{201021100112210} is an apocalyptic number.

201021100112210 is an abundant number, since it is smaller than the sum of its proper divisors (212508020118766).

201021100112210 is a wasteful number, since it uses less digits than its factorization.

201021100112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871730001617.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201021100112210 its reverse (12211001120102), we get a palindrome (213232101232312).

The spelling of 201021100112210 in words is "two hundred one trillion, twenty-one billion, one hundred million, one hundred twelve thousand, two hundred ten".