201110001221012 has 24 divisors (see below), whose sum is σ = 379017786748776. Its totient is φ = 92819318658048.

The previous prime is 201110001220981. The next prime is 201110001221029. The reversal of 201110001221012 is 210122100011102.

201110001221012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 408492269956 + 200701508951056 = 639134^2 + 14166916^2 .

It is a super-2 number, since 2×201110001221012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7025573 + ... + 21250380.

It is an arithmetic number, because the mean of its divisors is an integer number (15792407781199).

Almost surely, 2^{201110001221012} is an apocalyptic number.

It is an amenable number.

201110001221012 is a deficient number, since it is larger than the sum of its proper divisors (177907785527764).

201110001221012 is a wasteful number, since it uses less digits than its factorization.

201110001221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28412747 (or 28412745 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201110001221012 its reverse (210122100011102), we get a palindrome (411232101232114).

The spelling of 201110001221012 in words is "two hundred one trillion, one hundred ten billion, one million, two hundred twenty-one thousand, twelve".