201020120211112 has 16 divisors (see below), whose sum is σ = 380644534559700. Its totient is φ = 99514910995200.

The previous prime is 201020120211101. The next prime is 201020120211121. The reversal of 201020120211112 is 211112021020102.

It can be written as a sum of positive squares in 2 ways, for example, as 174830433743716 + 26189686467396 = 13222346^2 + 5117586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124393637937 + ... + 124393639552.

Almost surely, 2^{201020120211112} is an apocalyptic number.

It is an amenable number.

201020120211112 is a deficient number, since it is larger than the sum of its proper divisors (179624414348588).

201020120211112 is a wasteful number, since it uses less digits than its factorization.

201020120211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248787277596 (or 248787277592 counting only the distinct ones).

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

Adding to 201020120211112 its reverse (211112021020102), we get a palindrome (412132141231214).

The spelling of 201020120211112 in words is "two hundred one trillion, twenty billion, one hundred twenty million, two hundred eleven thousand, one hundred twelve".