201020210121112 has 32 divisors (see below), whose sum is σ = 377606420190720. Its totient is φ = 100325211386400.

The previous prime is 201020210121103. The next prime is 201020210121121. The reversal of 201020210121112 is 211121012020102.

It is an interprime number because it is at equal distance from previous prime (201020210121103) and next prime (201020210121121).

It is a congruent number.

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, 31608673 + ... + 37431919.

It is an arithmetic number, because the mean of its divisors is an integer number (11800200630960).

Almost surely, 2^{201020210121112} is an apocalyptic number.

It is an amenable number.

201020210121112 is a deficient number, since it is larger than the sum of its proper divisors (176586210069608).

201020210121112 is a wasteful number, since it uses less digits than its factorization.

201020210121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831191 (or 5831187 counting only the distinct ones).

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

Adding to 201020210121112 its reverse (211121012020102), we get a palindrome (412141222141214).

The spelling of 201020210121112 in words is "two hundred one trillion, twenty billion, two hundred ten million, one hundred twenty-one thousand, one hundred twelve".