201000122110121 has 16 divisors (see below), whose sum is σ = 213933664512000. Its totient is φ = 188189980520448.

The previous prime is 201000122110069. The next prime is 201000122110129. The reversal of 201000122110121 is 121011221000102.

It is not a de Polignac number, because 201000122110121 - 2⁶ = 201000122110057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000122110096 and 201000122110105.

It is not an unprimeable number, because it can be changed into a prime (201000122110129) 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, 96609980 + ... + 98668578.

It is an arithmetic number, because the mean of its divisors is an integer number (13370854032000).

Almost surely, 2^{201000122110121} is an apocalyptic number.

It is an amenable number.

201000122110121 is a deficient number, since it is larger than the sum of its proper divisors (12933542401879).

201000122110121 is a wasteful number, since it uses less digits than its factorization.

201000122110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088568.

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

Adding to 201000122110121 its reverse (121011221000102), we get a palindrome (322011343110223).

The spelling of 201000122110121 in words is "two hundred one trillion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".