201121112201012 has 48 divisors (see below), whose sum is σ = 353836517773200. Its totient is φ = 100026434027520.

The previous prime is 201121112200999. The next prime is 201121112201017. The reversal of 201121112201012 is 210102211121102.

It can be written as a sum of positive squares in 8 ways, for example, as 510544546576 + 200610567654436 = 714524^2 + 14163706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121112201017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9088565564 + ... + 9088587692.

It is an arithmetic number, because the mean of its divisors is an integer number (7371594120275).

Almost surely, 2^{201121112201012} is an apocalyptic number.

It is an amenable number.

201121112201012 is a deficient number, since it is larger than the sum of its proper divisors (152715405572188).

201121112201012 is a wasteful number, since it uses less digits than its factorization.

201121112201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38196 (or 38194 counting only the distinct ones).

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

Adding to 201121112201012 its reverse (210102211121102), we get a palindrome (411223323322114).

The spelling of 201121112201012 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred one thousand, twelve".