101011012109 has 8 divisors (see below), whose sum is σ = 117619292160. Its totient is φ = 84947265936.

The previous prime is 101011012103. The next prime is 101011012111. The reversal of 101011012109 is 901210110101.

It is a happy number.

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 101011012109 - 2⁴ = 101011012093 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 (101011012103) 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 7 ways as a sum of consecutive naturals, for example, 136133069 + ... + 136133810.

It is an arithmetic number, because the mean of its divisors is an integer number (14702411520).

Almost surely, 2^101011012109 is an apocalyptic number.

It is an amenable number.

101011012109 is a deficient number, since it is larger than the sum of its proper divisors (16608280051).

101011012109 is an equidigital number, since it uses as much as digits as its factorization.

101011012109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272266939.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 101011012109 in words is "one hundred one billion, eleven million, twelve thousand, one hundred nine".