201121001010112 has 56 divisors (see below), whose sum is σ = 404725131591552. Its totient is φ = 99143046777600.

The previous prime is 201121001010073. The next prime is 201121001010119. The reversal of 201121001010112 is 211010100121102.

It is a happy number.

201121001010112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201121001010092 and 201121001010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121001010119) 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, 532199787 + ... + 532577557.

Almost surely, 2^{201121001010112} is an apocalyptic number.

It is an amenable number.

201121001010112 is an abundant number, since it is smaller than the sum of its proper divisors (203604130581440).

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

201121001010112 is a wasteful number, since it uses less digits than its factorization.

201121001010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495017 (or 495007 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201121001010112 its reverse (211010100121102), we get a palindrome (412131101131214).

The spelling of 201121001010112 in words is "two hundred one trillion, one hundred twenty-one billion, one million, ten thousand, one hundred twelve".