212110100112210 has 128 divisors (see below), whose sum is σ = 536354362368000. Its totient is φ = 53535999762432.

The previous prime is 212110100112083. The next prime is 212110100112241. The reversal of 212110100112210 is 12211001011212.

It is a happy number.

212110100112210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212110100112210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212110100112210.

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, 4034095701 + ... + 4034148279.

It is an arithmetic number, because the mean of its divisors is an integer number (4190268456000).

Almost surely, 2^{212110100112210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212110100112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268177181184000).

212110100112210 is an abundant number, since it is smaller than the sum of its proper divisors (324244262255790).

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

212110100112210 is a wasteful number, since it uses less digits than its factorization.

212110100112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212110100112210 its reverse (12211001011212), we get a palindrome (224321101123422).

The spelling of 212110100112210 in words is "two hundred twelve trillion, one hundred ten billion, one hundred million, one hundred twelve thousand, two hundred ten".