11100100111222 has 32 divisors (see below), whose sum is σ = 18397328850432. Its totient is φ = 4996123634304.

The previous prime is 11100100111147. The next prime is 11100100111223. The reversal of 11100100111222 is 22211100100111.

It is a happy number.

It is a super-3 number, since 3×11100100111222³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100100111223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11164893 + ... + 12118375.

It is an arithmetic number, because the mean of its divisors is an integer number (574916526576).

Almost surely, 2^{11100100111222} is an apocalyptic number.

11100100111222 is a deficient number, since it is larger than the sum of its proper divisors (7297228739210).

11100100111222 is a wasteful number, since it uses less digits than its factorization.

11100100111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968412.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11100100111222 its reverse (22211100100111), we get a palindrome (33311200211333).

It can be divided in two parts, 11100100111 and 222, that multiplied together give a palindrome (2464222224642).

The spelling of 11100100111222 in words is "eleven trillion, one hundred billion, one hundred million, one hundred eleven thousand, two hundred twenty-two".