200110002021 has 24 divisors (see below), whose sum is σ = 300195431640. Its totient is φ = 128342624256.

The previous prime is 200110002019. The next prime is 200110002023. The reversal of 200110002021 is 120200011002.

It is an interprime number because it is at equal distance from previous prime (200110002019) and next prime (200110002023).

It can be written as a sum of positive squares in 4 ways, for example, as 94427144100 + 105682857921 = 307290^2 + 325089^2 .

It is not a de Polignac number, because 200110002021 - 2¹ = 200110002019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200110001994 and 200110002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200110002023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3346380 + ... + 3405653.

It is an arithmetic number, because the mean of its divisors is an integer number (12508142985).

Almost surely, 2^200110002021 is an apocalyptic number.

It is an amenable number.

200110002021 is a deficient number, since it is larger than the sum of its proper divisors (100085429619).

200110002021 is a wasteful number, since it uses less digits than its factorization.

200110002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752165 (or 6752162 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200110002021 its reverse (120200011002), we get a palindrome (320310013023).

The spelling of 200110002021 in words is "two hundred billion, one hundred ten million, two thousand, twenty-one".