210101112210 has 128 divisors (see below), whose sum is σ = 562202726400. Its totient is φ = 49813009920.

The previous prime is 210101112203. The next prime is 210101112239. The reversal of 210101112210 is 12211101012.

It is a super-2 number, since 2×210101112210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24951381 + ... + 24959799.

It is an arithmetic number, because the mean of its divisors is an integer number (4392208800).

Almost surely, 2^210101112210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210101112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281101363200).

210101112210 is an abundant number, since it is smaller than the sum of its proper divisors (352101614190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210101112210 is a wasteful number, since it uses less digits than its factorization.

210101112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210101112210 its reverse (12211101012), we get a palindrome (222312213222).

The spelling of 210101112210 in words is "two hundred ten billion, one hundred one million, one hundred twelve thousand, two hundred ten".