200110321021 has 16 divisors (see below), whose sum is σ = 227189079040. Its totient is φ = 174730374720.

The previous prime is 200110320989. The next prime is 200110321027. The reversal of 200110321021 is 120123011002.

It is a cyclic number.

It is not a de Polignac number, because 200110321021 - 2⁵ = 200110320989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200110320992 and 200110321010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200110321027) 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, 449565 + ... + 776098.

It is an arithmetic number, because the mean of its divisors is an integer number (14199317440).

Almost surely, 2^200110321021 is an apocalyptic number.

It is an amenable number.

200110321021 is a deficient number, since it is larger than the sum of its proper divisors (27078758019).

200110321021 is a wasteful number, since it uses less digits than its factorization.

200110321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226356.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 200110321021 its reverse (120123011002), we get a palindrome (320233332023).

The spelling of 200110321021 in words is "two hundred billion, one hundred ten million, three hundred twenty-one thousand, twenty-one".