1123302102011 has 4 divisors (see below), whose sum is σ = 1128339331392. Its totient is φ = 1118264872632.

The previous prime is 1123302102001. The next prime is 1123302102017. The reversal of 1123302102011 is 1102012033211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123302102011 is a prime.

It is a super-2 number, since 2×1123302102011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123302102017) 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, 2518614356 + ... + 2518614801.

It is an arithmetic number, because the mean of its divisors is an integer number (282084832848).

Almost surely, 2^{1123302102011} is an apocalyptic number.

1123302102011 is a deficient number, since it is larger than the sum of its proper divisors (5037229381).

1123302102011 is an equidigital number, since it uses as much as digits as its factorization.

1123302102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037229380.

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

Adding to 1123302102011 its reverse (1102012033211), we get a palindrome (2225314135222).

The spelling of 1123302102011 in words is "one trillion, one hundred twenty-three billion, three hundred two million, one hundred two thousand, eleven".