11220112101210 has 32 divisors (see below), whose sum is σ = 27297149446080. Its totient is φ = 2951043182208.

The previous prime is 11220112101203. The next prime is 11220112101239. The reversal of 11220112101210 is 1210121102211.

It is a happy number.

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 11220112101210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561667240 + ... + 2561671619.

It is an arithmetic number, because the mean of its divisors is an integer number (853035920190).

Almost surely, 2^{11220112101210} is an apocalyptic number.

11220112101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220112101210 is an abundant number, since it is smaller than the sum of its proper divisors (16077037344870).

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

11220112101210 is a wasteful number, since it uses less digits than its factorization.

11220112101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123338942.

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

Adding to 11220112101210 its reverse (1210121102211), we get a palindrome (12430233203421).

The spelling of 11220112101210 in words is "eleven trillion, two hundred twenty billion, one hundred twelve million, one hundred one thousand, two hundred ten".