11012221101222 has 64 divisors (see below), whose sum is σ = 26697632037120. Its totient is φ = 3336869390400.

The previous prime is 11012221101209. The next prime is 11012221101251. The reversal of 11012221101222 is 22210112221011.

11012221101222 is a `hidden beast` number, since 110 + 1 + 222 + 110 + 1 + 222 = 666.

11012221101222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11012221101195 and 11012221101204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11658897 + ... + 12567987.

It is an arithmetic number, because the mean of its divisors is an integer number (417150500580).

Almost surely, 2^{11012221101222} is an apocalyptic number.

11012221101222 is an abundant number, since it is smaller than the sum of its proper divisors (15685410935898).

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

11012221101222 is a wasteful number, since it uses less digits than its factorization.

11012221101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929506 (or 929500 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11012221101222 its reverse (22210112221011), we get a palindrome (33222333322233).

The spelling of 11012221101222 in words is "eleven trillion, twelve billion, two hundred twenty-one million, one hundred one thousand, two hundred twenty-two".