11100001222222 has 32 divisors (see below), whose sum is σ = 19232342425440. Its totient is φ = 4748600724480.

The previous prime is 11100001222039. The next prime is 11100001222249. The reversal of 11100001222222 is 22222210000111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11100001222196 and 11100001222205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37971354 + ... + 38262562.

It is an arithmetic number, because the mean of its divisors is an integer number (601010700795).

Almost surely, 2^{11100001222222} is an apocalyptic number.

11100001222222 is a deficient number, since it is larger than the sum of its proper divisors (8132341203218).

11100001222222 is a wasteful number, since it uses less digits than its factorization.

11100001222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393156.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11100001222222 its reverse (22222210000111), we get a palindrome (33322211222333).

The spelling of 11100001222222 in words is "eleven trillion, one hundred billion, one million, two hundred twenty-two thousand, two hundred twenty-two".