201120102110121 has 32 divisors (see below), whose sum is σ = 271268944848000. Its totient is φ = 132531660656640.

The previous prime is 201120102110063. The next prime is 201120102110131. The reversal of 201120102110121 is 121011201021102.

It is a happy number.

It is not a de Polignac number, because 201120102110121 - 2¹¹ = 201120102108073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201120102110121.

It is not an unprimeable number, because it can be changed into a prime (201120102110131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890662251 + ... + 890888031.

It is an arithmetic number, because the mean of its divisors is an integer number (8477154526500).

Almost surely, 2^{201120102110121} is an apocalyptic number.

It is an amenable number.

201120102110121 is a deficient number, since it is larger than the sum of its proper divisors (70148842737879).

201120102110121 is a wasteful number, since it uses less digits than its factorization.

201120102110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232409.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201120102110121 its reverse (121011201021102), we get a palindrome (322131303131223).

The spelling of 201120102110121 in words is "two hundred one trillion, one hundred twenty billion, one hundred two million, one hundred ten thousand, one hundred twenty-one".