201120102211121 has 24 divisors (see below), whose sum is σ = 213936558856224. Its totient is φ = 189032776289280.

The previous prime is 201120102211111. The next prime is 201120102211123. The reversal of 201120102211121 is 121112201021102.

It is a de Polignac number, because none of the positive numbers 2^k-201120102211121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201120102211121.

It is not an unprimeable number, because it can be changed into a prime (201120102211123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701202686 + ... + 701489448.

It is an arithmetic number, because the mean of its divisors is an integer number (8914023285676).

Almost surely, 2^{201120102211121} is an apocalyptic number.

It is an amenable number.

201120102211121 is a deficient number, since it is larger than the sum of its proper divisors (12816456645103).

201120102211121 is a wasteful number, since it uses less digits than its factorization.

201120102211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290081 (or 290064 counting only the distinct ones).

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

Adding to 201120102211121 its reverse (121112201021102), we get a palindrome (322232303232223).

The spelling of 201120102211121 in words is "two hundred one trillion, one hundred twenty billion, one hundred two million, two hundred eleven thousand, one hundred twenty-one".