201110121012 has 24 divisors (see below), whose sum is σ = 481939570336. Its totient is φ = 65224903968.

The previous prime is 201110121007. The next prime is 201110121013. The reversal of 201110121012 is 210121011102.

201110121012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201110121012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226474918 + ... + 226475805.

Almost surely, 2^201110121012 is an apocalyptic number.

It is an amenable number.

201110121012 is an abundant number, since it is smaller than the sum of its proper divisors (280829449324).

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

201110121012 is a wasteful number, since it uses less digits than its factorization.

201110121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452950767 (or 452950765 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201110121012 its reverse (210121011102), we get a palindrome (411231132114).

The spelling of 201110121012 in words is "two hundred one billion, one hundred ten million, one hundred twenty-one thousand, twelve".