201110000200121 has 4 divisors (see below), whose sum is σ = 201114984255744. Its totient is φ = 201105016144500.

The previous prime is 201110000200099. The next prime is 201110000200129. The reversal of 201110000200121 is 121002000011102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201110000200121 - 2³⁸ = 200835122293177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201110000200129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2491967285 + ... + 2492047986.

It is an arithmetic number, because the mean of its divisors is an integer number (50278746063936).

Almost surely, 2^{201110000200121} is an apocalyptic number.

It is an amenable number.

201110000200121 is a deficient number, since it is larger than the sum of its proper divisors (4984055623).

201110000200121 is an equidigital number, since it uses as much as digits as its factorization.

201110000200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984055622.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201110000200121 its reverse (121002000011102), we get a palindrome (322112000211223).

The spelling of 201110000200121 in words is "two hundred one trillion, one hundred ten billion, two hundred thousand, one hundred twenty-one".