101110011001 has 4 divisors (see below), whose sum is σ = 101118928372. Its totient is φ = 101101093632.

The previous prime is 101110010977. The next prime is 101110011007. The reversal of 101110011001 is 100110011101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100110011101 = 503 ⋅199025867.

It can be written as a sum of positive squares in 2 ways, for example, as 32463390976 + 68646620025 = 180176^2 + 262005^2 .

It is a cyclic number.

It is not a de Polignac number, because 101110011001 - 2²¹ = 101107913849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101110011007) 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, 4441656 + ... + 4464361.

It is an arithmetic number, because the mean of its divisors is an integer number (25279732093).

Almost surely, 2^101110011001 is an apocalyptic number.

It is an amenable number.

101110011001 is a deficient number, since it is larger than the sum of its proper divisors (8917371).

101110011001 is an equidigital number, since it uses as much as digits as its factorization.

101110011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8917370.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 101110011001 its reverse (100110011101), we get a palindrome (201220022102).

The spelling of 101110011001 in words is "one hundred one billion, one hundred ten million, eleven thousand, one".