200110020121 has 16 divisors (see below), whose sum is σ = 222559005888. Its totient is φ = 178374830400.

The previous prime is 200110020119. The next prime is 200110020133. The reversal of 200110020121 is 121020011002.

It is a cyclic number.

It is not a de Polignac number, because 200110020121 - 2¹ = 200110020119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200110020098 and 200110020107.

It is not an unprimeable number, because it can be changed into a prime (200110020221) 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, 839170 + ... + 1050916.

It is an arithmetic number, because the mean of its divisors is an integer number (13909937868).

Almost surely, 2^200110020121 is an apocalyptic number.

It is an amenable number.

200110020121 is a deficient number, since it is larger than the sum of its proper divisors (22448985767).

200110020121 is a wasteful number, since it uses less digits than its factorization.

200110020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213432.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200110020121 its reverse (121020011002), we get a palindrome (321130031123).

The spelling of 200110020121 in words is "two hundred billion, one hundred ten million, twenty thousand, one hundred twenty-one".