11211411123 has 40 divisors (see below), whose sum is σ = 18296245440. Its totient is φ = 6785201520.

The previous prime is 11211411097. The next prime is 11211411139. The reversal of 11211411123 is 32111411211.

It is not a de Polignac number, because 11211411123 - 2⁶ = 11211411059 is a prime.

It is a super-2 number, since 2×11211411123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211411096 and 11211411105.

It is not an unprimeable number, because it can be changed into a prime (11211411823) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 649936 + ... + 666962.

It is an arithmetic number, because the mean of its divisors is an integer number (457406136).

Almost surely, 2^11211411123 is an apocalyptic number.

11211411123 is a deficient number, since it is larger than the sum of its proper divisors (7084834317).

11211411123 is a wasteful number, since it uses less digits than its factorization.

11211411123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17789 (or 17780 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 11211411123 its reverse (32111411211), we get a palindrome (43322822334).

The spelling of 11211411123 in words is "eleven billion, two hundred eleven million, four hundred eleven thousand, one hundred twenty-three".