1101242311 has 4 divisors (see below), whose sum is σ = 1185953272. Its totient is φ = 1016531352.

The previous prime is 1101242293. The next prime is 1101242327. The reversal of 1101242311 is 1132421011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1132421011 = 2647 ⋅427813.

It is a cyclic number.

It is not a de Polignac number, because 1101242311 - 2⁷ = 1101242183 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 (1101242381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42355461 + ... + 42355486.

It is an arithmetic number, because the mean of its divisors is an integer number (296488318).

Almost surely, 2^1101242311 is an apocalyptic number.

1101242311 is a deficient number, since it is larger than the sum of its proper divisors (84710961).

1101242311 is an equidigital number, since it uses as much as digits as its factorization.

1101242311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84710960.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1101242311 is about 33184.9711616569. The cubic root of 1101242311 is about 1032.6685792354.

Adding to 1101242311 its reverse (1132421011), we get a palindrome (2233663322).

It can be divided in two parts, 110 and 1242311, that added together give a palindrome (1242421).

The spelling of 1101242311 in words is "one billion, one hundred one million, two hundred forty-two thousand, three hundred eleven".