11001121011222 has 64 divisors (see below), whose sum is σ = 23414731845120. Its totient is φ = 3433859218944.

The previous prime is 11001121011217. The next prime is 11001121011233. The reversal of 11001121011222 is 22211012110011.

It is a happy number.

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, 15596223 + ... + 16286325.

It is an arithmetic number, because the mean of its divisors is an integer number (365855185080).

Almost surely, 2^{11001121011222} is an apocalyptic number.

11001121011222 is an abundant number, since it is smaller than the sum of its proper divisors (12413610833898).

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

11001121011222 is a wasteful number, since it uses less digits than its factorization.

11001121011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690917.

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

Adding to 11001121011222 its reverse (22211012110011), we get a palindrome (33212133121233).

The spelling of 11001121011222 in words is "eleven trillion, one billion, one hundred twenty-one million, eleven thousand, two hundred twenty-two".