210111012010 has 16 divisors (see below), whose sum is σ = 378278683272. Its totient is φ = 84026880000.

The previous prime is 210111011953. The next prime is 210111012053. The reversal of 210111012010 is 10210111012.

It can be written as a sum of positive squares in 4 ways, for example, as 136353686121 + 73757325889 = 369261^2 + 271583^2 .

It is a super-3 number, since 3×210111012010³ (a number of 35 digits) contains 333 as substring.

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, 2140191 + ... + 2236210.

Almost surely, 2^210111012010 is an apocalyptic number.

210111012010 is a deficient number, since it is larger than the sum of its proper divisors (168167671262).

210111012010 is a wasteful number, since it uses less digits than its factorization.

210111012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381209.

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

Adding to 210111012010 its reverse (10210111012), we get a palindrome (220321123022).

The spelling of 210111012010 in words is "two hundred ten billion, one hundred eleven million, twelve thousand, ten".