201110121102121 has 16 divisors (see below), whose sum is σ = 250740492438528. Its totient is φ = 156705562774800.

The previous prime is 201110121102053. The next prime is 201110121102133. The reversal of 201110121102121 is 121201121011102.

201110121102121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201110121102121 - 2⁹ = 201110121101609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201110121102095 and 201110121102104.

It is not an unprimeable number, because it can be changed into a prime (201110121102521) 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, 26832445 + ... + 33499258.

It is an arithmetic number, because the mean of its divisors is an integer number (15671280777408).

Almost surely, 2^{201110121102121} is an apocalyptic number.

It is an amenable number.

201110121102121 is a deficient number, since it is larger than the sum of its proper divisors (49630371336407).

201110121102121 is a wasteful number, since it uses less digits than its factorization.

201110121102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60375012.

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

Adding to 201110121102121 its reverse (121201121011102), we get a palindrome (322311242113223).

The spelling of 201110121102121 in words is "two hundred one trillion, one hundred ten billion, one hundred twenty-one million, one hundred two thousand, one hundred twenty-one".