11031123101 has 8 divisors (see below), whose sum is σ = 11207999808. Its totient is φ = 10854844000.

The previous prime is 11031123083. The next prime is 11031123107. The reversal of 11031123101 is 10132113011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11031123101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031123107) 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, 112115 + ... + 186096.

It is an arithmetic number, because the mean of its divisors is an integer number (1400999976).

Almost surely, 2^11031123101 is an apocalyptic number.

It is an amenable number.

11031123101 is a deficient number, since it is larger than the sum of its proper divisors (176876707).

11031123101 is an equidigital number, since it uses as much as digits as its factorization.

11031123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298803.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11031123101 its reverse (10132113011), we get a palindrome (21163236112).

The spelling of 11031123101 in words is "eleven billion, thirty-one million, one hundred twenty-three thousand, one hundred one".