11123012132211 has 16 divisors (see below), whose sum is σ = 17841422969600. Its totient is φ = 6021480251808.

The previous prime is 11123012132171. The next prime is 11123012132227. The reversal of 11123012132211 is 11223121032111.

It is not a de Polignac number, because 11123012132211 - 2²⁵ = 11122978577779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123012132231) 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, 13938611296 + ... + 13938612093.

It is an arithmetic number, because the mean of its divisors is an integer number (1115088935600).

Almost surely, 2^{11123012132211} is an apocalyptic number.

11123012132211 is a deficient number, since it is larger than the sum of its proper divisors (6718410837389).

11123012132211 is a wasteful number, since it uses less digits than its factorization.

11123012132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27877223418.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11123012132211 its reverse (11223121032111), we get a palindrome (22346133164322).

The spelling of 11123012132211 in words is "eleven trillion, one hundred twenty-three billion, twelve million, one hundred thirty-two thousand, two hundred eleven".