201121001022012 has 12 divisors (see below), whose sum is σ = 469282335718056. Its totient is φ = 67040333674000.

The previous prime is 201121001021987. The next prime is 201121001022091. The reversal of 201121001022012 is 210220100121102.

201121001022012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 201121001021982 and 201121001022000.

It is a congruent number.

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, 8380041709239 + ... + 8380041709262.

It is an arithmetic number, because the mean of its divisors is an integer number (39106861309838).

Almost surely, 2^{201121001022012} is an apocalyptic number.

It is an amenable number.

201121001022012 is an abundant number, since it is smaller than the sum of its proper divisors (268161334696044).

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

201121001022012 is a wasteful number, since it uses less digits than its factorization.

201121001022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16760083418508 (or 16760083418506 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201121001022012 its reverse (210220100121102), we get a palindrome (411341101143114).

The spelling of 201121001022012 in words is "two hundred one trillion, one hundred twenty-one billion, one million, twenty-two thousand, twelve".