200110022121 has 4 divisors (see below), whose sum is σ = 266813362832. Its totient is φ = 133406681412.

The previous prime is 200110022111. The next prime is 200110022129. The reversal of 200110022121 is 121220011002.

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 not a de Polignac number, because 200110022121 - 2¹⁷ = 200109891049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200110022097 and 200110022106.

It is not an unprimeable number, because it can be changed into a prime (200110022129) 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, 33351670351 + ... + 33351670356.

It is an arithmetic number, because the mean of its divisors is an integer number (66703340708).

Almost surely, 2^200110022121 is an apocalyptic number.

It is an amenable number.

200110022121 is a deficient number, since it is larger than the sum of its proper divisors (66703340711).

200110022121 is an equidigital number, since it uses as much as digits as its factorization.

200110022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66703340710.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200110022121 its reverse (121220011002), we get a palindrome (321330033123).

The spelling of 200110022121 in words is "two hundred billion, one hundred ten million, twenty-two thousand, one hundred twenty-one".