11001001011222 has 64 divisors (see below), whose sum is σ = 23098278297600. Its totient is φ = 3488322308640.

The previous prime is 11001001011167. The next prime is 11001001011227. The reversal of 11001001011222 is 22211010010011.

It is a junction number, because it is equal to n+sod(n) for n = 11001001011198 and 11001001011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001001011227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228311929 + ... + 228360107.

It is an arithmetic number, because the mean of its divisors is an integer number (360910598400).

Almost surely, 2^{11001001011222} is an apocalyptic number.

11001001011222 is an abundant number, since it is smaller than the sum of its proper divisors (12097277286378).

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

11001001011222 is a wasteful number, since it uses less digits than its factorization.

11001001011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69081.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001001011222 its reverse (22211010010011), we get a palindrome (33212011021233).

The spelling of 11001001011222 in words is "eleven trillion, one billion, one million, eleven thousand, two hundred twenty-two".