1144011101 has 4 divisors (see below), whose sum is σ = 1145132604. Its totient is φ = 1142889600.

The previous prime is 1144011091. The next prime is 1144011133. The reversal of 1144011101 is 1011104411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 715562500 + 428448601 = 26750^2 + 20699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144011101 - 2²⁶ = 1076902237 is a prime.

It is a super-2 number, since 2×1144011101² = 2617522798422464402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144011601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559220 + ... + 561261.

It is an arithmetic number, because the mean of its divisors is an integer number (286283151).

Almost surely, 2^1144011101 is an apocalyptic number.

It is an amenable number.

1144011101 is a deficient number, since it is larger than the sum of its proper divisors (1121503).

1144011101 is a wasteful number, since it uses less digits than its factorization.

1144011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121502.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1144011101 is about 33823.2331541501. The cubic root of 1144011101 is about 1045.8676892481.

Adding to 1144011101 its reverse (1011104411), we get a palindrome (2155115512).

The spelling of 1144011101 in words is "one billion, one hundred forty-four million, eleven thousand, one hundred one".