210100122010 has 8 divisors (see below), whose sum is σ = 378180219636. Its totient is φ = 84040048800.

The previous prime is 210100121947. The next prime is 210100122041. The reversal of 210100122010 is 10221001012.

It can be written as a sum of positive squares in 2 ways, for example, as 208455251761 + 1644870249 = 456569^2 + 40557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×210100122010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 21010012201 = 210100122010 / (2 + 1 + 0 + 1 + 0 + 0 + 1 + 2 + 2 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10505006091 + ... + 10505006110.

Almost surely, 2^210100122010 is an apocalyptic number.

210100122010 is a deficient number, since it is larger than the sum of its proper divisors (168080097626).

210100122010 is a wasteful number, since it uses less digits than its factorization.

210100122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21010012208.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210100122010 its reverse (10221001012), we get a palindrome (220321123022).

The spelling of 210100122010 in words is "two hundred ten billion, one hundred million, one hundred twenty-two thousand, ten".