11031111301123 has 4 divisors (see below), whose sum is σ = 11031146840448. Its totient is φ = 11031075761800.

The previous prime is 11031111301121. The next prime is 11031111301169. The reversal of 11031111301123 is 32110311113011.

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 11031111301123 - 2¹ = 11031111301121 is a prime.

It is a super-2 number, since 2×11031111301123² (a number of 27 digits) contains 22 as substring.

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 11031111301123.

It is not an unprimeable number, because it can be changed into a prime (11031111301121) 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, 17299936 + ... + 17926237.

It is an arithmetic number, because the mean of its divisors is an integer number (2757786710112).

Almost surely, 2^{11031111301123} is an apocalyptic number.

11031111301123 is a deficient number, since it is larger than the sum of its proper divisors (35539325).

11031111301123 is an equidigital number, since it uses as much as digits as its factorization.

11031111301123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35539324.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 11031111301123 its reverse (32110311113011), we get a palindrome (43141422414134).

The spelling of 11031111301123 in words is "eleven trillion, thirty-one billion, one hundred eleven million, three hundred one thousand, one hundred twenty-three".