201121112012012 has 24 divisors (see below), whose sum is σ = 352795822874880. Its totient is φ = 100322347219920.

The previous prime is 201121112012011. The next prime is 201121112012021. The reversal of 201121112012012 is 210210211121102.

201121112012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201121112012011) 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, 14080937 + ... + 24505407.

It is an arithmetic number, because the mean of its divisors is an integer number (14699825953120).

Almost surely, 2^{201121112012012} is an apocalyptic number.

It is an amenable number.

201121112012012 is a deficient number, since it is larger than the sum of its proper divisors (151674710862868).

201121112012012 is a wasteful number, since it uses less digits than its factorization.

201121112012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10435901 (or 10435899 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201121112012012 its reverse (210210211121102), we get a palindrome (411331323133114).

The spelling of 201121112012012 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twelve million, twelve thousand, twelve".