11132121223 has 8 divisors (see below), whose sum is σ = 11729214000. Its totient is φ = 10536147648.

The previous prime is 11132121199. The next prime is 11132121229. The reversal of 11132121223 is 32212123111.

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 11132121223 - 2⁹ = 11132120711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11132121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132121229) 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, 259336 + ... + 299197.

It is an arithmetic number, because the mean of its divisors is an integer number (1466151750).

Almost surely, 2^11132121223 is an apocalyptic number.

11132121223 is a deficient number, since it is larger than the sum of its proper divisors (597092777).

11132121223 is a wasteful number, since it uses less digits than its factorization.

11132121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559601.

The product of its digits is 144, while the sum is 19.

Adding to 11132121223 its reverse (32212123111), we get a palindrome (43344244334).

It can be divided in two parts, 11132 and 121223, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 11132121223 in words is "eleven billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-three".