11211102012210 has 16 divisors (see below), whose sum is σ = 26906644829376. Its totient is φ = 2989627203248.

The previous prime is 11211102012203. The next prime is 11211102012247. The reversal of 11211102012210 is 1221020111211.

It is a happy number.

It is a super-2 number, since 2×11211102012210² (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 self number, because there is not a number n which added to its sum of digits gives 11211102012210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186851700174 + ... + 186851700233.

It is an arithmetic number, because the mean of its divisors is an integer number (1681665301836).

Almost surely, 2^{11211102012210} is an apocalyptic number.

11211102012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211102012210 is an abundant number, since it is smaller than the sum of its proper divisors (15695542817166).

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

11211102012210 is a wasteful number, since it uses less digits than its factorization.

11211102012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373703400417.

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

Adding to 11211102012210 its reverse (1221020111211), we get a palindrome (12432122123421).

The spelling of 11211102012210 in words is "eleven trillion, two hundred eleven billion, one hundred two million, twelve thousand, two hundred ten".