11100012111211 has 4 divisors (see below), whose sum is σ = 11102894486424. Its totient is φ = 11097129736000.

The previous prime is 11100012111163. The next prime is 11100012111277. The reversal of 11100012111211 is 11211121000111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11100012111211 - 2³⁵ = 11065652372843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100012111191 and 11100012111200.

It is not an unprimeable number, because it can be changed into a prime (11100012151211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441181830 + ... + 1441189531.

It is an arithmetic number, because the mean of its divisors is an integer number (2775723621606).

Almost surely, 2^{11100012111211} is an apocalyptic number.

11100012111211 is a deficient number, since it is larger than the sum of its proper divisors (2882375213).

11100012111211 is an equidigital number, since it uses as much as digits as its factorization.

11100012111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882375212.

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

Adding to 11100012111211 its reverse (11211121000111), we get a palindrome (22311133111322).

Subtracting 11100012111211 from its reverse (11211121000111), we obtain a square (111108888900 = 333330²).

The spelling of 11100012111211 in words is "eleven trillion, one hundred billion, twelve million, one hundred eleven thousand, two hundred eleven".