201021100221112 has 32 divisors (see below), whose sum is σ = 377050479807600. Its totient is φ = 100474308739584.

The previous prime is 201021100221103. The next prime is 201021100221113. The reversal of 201021100221112 is 211122001120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021100221113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547195363 + ... + 547562605.

Almost surely, 2^{201021100221112} is an apocalyptic number.

It is an amenable number.

201021100221112 is a deficient number, since it is larger than the sum of its proper divisors (176029379586488).

201021100221112 is a wasteful number, since it uses less digits than its factorization.

201021100221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391735 (or 391731 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201021100221112 its reverse (211122001120102), we get a palindrome (412143101341214).

The spelling of 201021100221112 in words is "two hundred one trillion, twenty-one billion, one hundred million, two hundred twenty-one thousand, one hundred twelve".