11032211123 has 4 divisors (see below), whose sum is σ = 11080811400. Its totient is φ = 10983610848.

The previous prime is 11032211101. The next prime is 11032211137. The reversal of 11032211123 is 32111223011.

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 11032211123 - 2⁸ = 11032210867 is a prime.

It is a super-2 number, since 2×11032211123² (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 (11032211143) 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, 24299798 + ... + 24300251.

It is an arithmetic number, because the mean of its divisors is an integer number (2770202850).

Almost surely, 2^11032211123 is an apocalyptic number.

11032211123 is a deficient number, since it is larger than the sum of its proper divisors (48600277).

11032211123 is an equidigital number, since it uses as much as digits as its factorization.

11032211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48600276.

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

Adding to 11032211123 its reverse (32111223011), we get a palindrome (43143434134).

The spelling of 11032211123 in words is "eleven billion, thirty-two million, two hundred eleven thousand, one hundred twenty-three".