11212100112210 has 32 divisors (see below), whose sum is σ = 26916529824000. Its totient is φ = 2989061190528.

The previous prime is 11212100112151. The next prime is 11212100112221. The reversal of 11212100112210 is 1221100121211.

It is a happy number.

It is a super-2 number, since 2×11212100112210² (a number of 27 digits) contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212100112210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51901210 + ... + 52116789.

It is an arithmetic number, because the mean of its divisors is an integer number (841141557000).

Almost surely, 2^{11212100112210} is an apocalyptic number.

11212100112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212100112210 is an abundant number, since it is smaller than the sum of its proper divisors (15704429711790).

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

11212100112210 is a wasteful number, since it uses less digits than its factorization.

11212100112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104021602.

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

Adding to 11212100112210 its reverse (1221100121211), we get a palindrome (12433200233421).

Subtracting from 11212100112210 its reverse (1221100121211), we obtain a palindrome (9990999990999).

The spelling of 11212100112210 in words is "eleven trillion, two hundred twelve billion, one hundred million, one hundred twelve thousand, two hundred ten".