210010100101210 has 16 divisors (see below), whose sum is σ = 378018366234696. Its totient is φ = 84003998695488.

The previous prime is 210010100101169. The next prime is 210010100101229. The reversal of 210010100101210 is 12101001010012.

It can be written as a sum of positive squares in 4 ways, for example, as 208476086567401 + 1534013533809 = 14438701^2 + 1238553^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24010084 + ... + 31567456.

Almost surely, 2^{210010100101210} is an apocalyptic number.

210010100101210 is a deficient number, since it is larger than the sum of its proper divisors (168008266133486).

210010100101210 is a wasteful number, since it uses less digits than its factorization.

210010100101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10336257.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210010100101210 its reverse (12101001010012), we get a palindrome (222111101111222).

The spelling of 210010100101210 in words is "two hundred ten trillion, ten billion, one hundred million, one hundred one thousand, two hundred ten".