11312110101222 has 160 divisors (see below), whose sum is σ = 29143312704000. Its totient is φ = 3212568957312.

The previous prime is 11312110101209. The next prime is 11312110101239. The reversal of 11312110101222 is 22210101121311.

It is a happy number.

11312110101222 is a `hidden beast` number, since 1 + 131 + 211 + 0 + 101 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11312110101195 and 11312110101204.

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 229929058 + ... + 229978250.

It is an arithmetic number, because the mean of its divisors is an integer number (182145704400).

Almost surely, 2^{11312110101222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11312110101222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14571656352000).

11312110101222 is an abundant number, since it is smaller than the sum of its proper divisors (17831202602778).

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

11312110101222 is a wasteful number, since it uses less digits than its factorization.

11312110101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50432 (or 50423 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11312110101222 its reverse (22210101121311), we get a palindrome (33522211222533).

The spelling of 11312110101222 in words is "eleven trillion, three hundred twelve billion, one hundred ten million, one hundred one thousand, two hundred twenty-two".