1100100143 has 8 divisors (see below), whose sum is σ = 1151191008. Its totient is φ = 1049281024.

The previous prime is 1100100137. The next prime is 1100100149. The reversal of 1100100143 is 3410010011.

It is an interprime number because it is at equal distance from previous prime (1100100137) and next prime (1100100149).

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

It is a cyclic number.

It is not a de Polignac number, because 1100100143 - 2¹⁴ = 1100083759 is a prime.

It is a super-3 number, since 3×1100100143³ (a number of 28 digits) contains 333 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 (1100100149) 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 7 ways as a sum of consecutive naturals, for example, 59630 + ... + 75867.

It is an arithmetic number, because the mean of its divisors is an integer number (143898876).

Almost surely, 2^1100100143 is an apocalyptic number.

1100100143 is a deficient number, since it is larger than the sum of its proper divisors (51090865).

1100100143 is a wasteful number, since it uses less digits than its factorization.

1100100143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135873.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1100100143 is about 33167.7575817239. The cubic root of 1100100143 is about 1032.3114404535.

Adding to 1100100143 its reverse (3410010011), we get a palindrome (4510110154).

The spelling of 1100100143 in words is "one billion, one hundred million, one hundred thousand, one hundred forty-three".