101210111012109 has 16 divisors (see below), whose sum is σ = 147214983467520. Its totient is φ = 61339345994160.

The previous prime is 101210111012099. The next prime is 101210111012159. The reversal of 101210111012109 is 901210111012101.

It is a happy number.

It is not a de Polignac number, because 101210111012109 - 2²⁰ = 101210109963533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210111012159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17000914 + ... + 22168700.

It is an arithmetic number, because the mean of its divisors is an integer number (9200936466720).

Almost surely, 2^{101210111012109} is an apocalyptic number.

It is an amenable number.

101210111012109 is a deficient number, since it is larger than the sum of its proper divisors (46004872455411).

101210111012109 is a wasteful number, since it uses less digits than its factorization.

101210111012109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761280.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 101210111012109 in words is "one hundred one trillion, two hundred ten billion, one hundred eleven million, twelve thousand, one hundred nine".