10100211212009 has 4 divisors (see below), whose sum is σ = 10107309042816. Its totient is φ = 10093113381204.

The previous prime is 10100211211943. The next prime is 10100211212017. The reversal of 10100211212009 is 90021211200101.

10100211212009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 10100211212009 - 2³⁶ = 10031491735273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100211215009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548913269 + ... + 3548916114.

It is an arithmetic number, because the mean of its divisors is an integer number (2526827260704).

Almost surely, 2^{10100211212009} is an apocalyptic number.

It is an amenable number.

10100211212009 is a deficient number, since it is larger than the sum of its proper divisors (7097830807).

10100211212009 is an equidigital number, since it uses as much as digits as its factorization.

10100211212009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097830806.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 10100211212009 in words is "ten trillion, one hundred billion, two hundred eleven million, two hundred twelve thousand, nine".