210101100010 has 16 divisors (see below), whose sum is σ = 381528725256. Its totient is φ = 83296718848.

The previous prime is 210101099983. The next prime is 210101100017. The reversal of 210101100010 is 10001101012.

It can be written as a sum of positive squares in 4 ways, for example, as 136018603249 + 74082496761 = 368807^2 + 272181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210101099966 and 210101100002.

It is not an unprimeable number, because it can be changed into a prime (210101100017) 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, 92963959 + ... + 92966218.

Almost surely, 2^210101100010 is an apocalyptic number.

210101100010 is a deficient number, since it is larger than the sum of its proper divisors (171427625246).

210101100010 is a wasteful number, since it uses less digits than its factorization.

210101100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185930297.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 210101100010 its reverse (10001101012), we get a palindrome (220102201022).

The spelling of 210101100010 in words is "two hundred ten billion, one hundred one million, one hundred thousand, ten".