11132021123 has 4 divisors (see below), whose sum is σ = 11298170760. Its totient is φ = 10965871488.

The previous prime is 11132021041. The next prime is 11132021161. The reversal of 11132021123 is 32112023111.

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 11132021123 - 2¹⁰ = 11132020099 is a prime.

It is a super-2 number, since 2×11132021123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11132021023) 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, 83074718 + ... + 83074851.

It is an arithmetic number, because the mean of its divisors is an integer number (2824542690).

Almost surely, 2^11132021123 is an apocalyptic number.

11132021123 is a deficient number, since it is larger than the sum of its proper divisors (166149637).

11132021123 is an equidigital number, since it uses as much as digits as its factorization.

11132021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166149636.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11132021123 its reverse (32112023111), we get a palindrome (43244044234).

The spelling of 11132021123 in words is "eleven billion, one hundred thirty-two million, twenty-one thousand, one hundred twenty-three".