100945549101 has 4 divisors (see below), whose sum is σ = 134594065472. Its totient is φ = 67297032732.

The previous prime is 100945549099. The next prime is 100945549121. The reversal of 100945549101 is 101945549001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101945549001 = 3 ⋅33981849667.

It is not a de Polignac number, because 100945549101 - 2¹ = 100945549099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100945549101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100945549121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16824258181 + ... + 16824258186.

It is an arithmetic number, because the mean of its divisors is an integer number (33648516368).

Almost surely, 2^100945549101 is an apocalyptic number.

It is an amenable number.

100945549101 is a deficient number, since it is larger than the sum of its proper divisors (33648516371).

100945549101 is an equidigital number, since it uses as much as digits as its factorization.

100945549101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33648516370.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 100945549101 in words is "one hundred billion, nine hundred forty-five million, five hundred forty-nine thousand, one hundred one".