10121100212109 has 8 divisors (see below), whose sum is σ = 13499745255360. Its totient is φ = 6744927655136.

The previous prime is 10121100212099. The next prime is 10121100212143. The reversal of 10121100212109 is 90121200112101.

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 10121100212109 - 2⁵ = 10121100212077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121100212159) 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, 618112017 + ... + 618128390.

It is an arithmetic number, because the mean of its divisors is an integer number (1687468156920).

Almost surely, 2^{10121100212109} is an apocalyptic number.

It is an amenable number.

10121100212109 is a deficient number, since it is larger than the sum of its proper divisors (3378645043251).

10121100212109 is a wasteful number, since it uses less digits than its factorization.

10121100212109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236243139.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 10121100212109 in words is "ten trillion, one hundred twenty-one billion, one hundred million, two hundred twelve thousand, one hundred nine".