11100012211111 has 8 divisors (see below), whose sum is σ = 11133245833344. Its totient is φ = 11066785745400.

The previous prime is 11100012211091. The next prime is 11100012211157. The reversal of 11100012211111 is 11111221000111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11100012211111 - 2⁷ = 11100012210983 is a prime.

It is a super-2 number, since 2×11100012211111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100012211091 and 11100012211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100012211411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325686 + ... + 4894636.

It is an arithmetic number, because the mean of its divisors is an integer number (1391655729168).

Almost surely, 2^{11100012211111} is an apocalyptic number.

11100012211111 is a deficient number, since it is larger than the sum of its proper divisors (33233622233).

11100012211111 is an equidigital number, since it uses as much as digits as its factorization.

11100012211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578261.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11100012211111 its reverse (11111221000111), we get a palindrome (22211233211222).

The spelling of 11100012211111 in words is "eleven trillion, one hundred billion, twelve million, two hundred eleven thousand, one hundred eleven".