200100021010 has 16 divisors (see below), whose sum is σ = 360392814936. Its totient is φ = 79992724608.

The previous prime is 200100020977. The next prime is 200100021013. The reversal of 200100021010 is 10120001002.

It can be written as a sum of positive squares in 4 ways, for example, as 190482492249 + 9617528761 = 436443^2 + 98069^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200100020984 and 200100021002.

It is not an unprimeable number, because it can be changed into a prime (200100021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5892699 + ... + 5926558.

Almost surely, 2^200100021010 is an apocalyptic number.

200100021010 is a deficient number, since it is larger than the sum of its proper divisors (160292793926).

200100021010 is a wasteful number, since it uses less digits than its factorization.

200100021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820957.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 200100021010 its reverse (10120001002), we get a palindrome (210220022012).

The spelling of 200100021010 in words is "two hundred billion, one hundred million, twenty-one thousand, ten".