101131210223209 has 4 divisors (see below), whose sum is σ = 101131231260240. Its totient is φ = 101131189186180.

The previous prime is 101131210223201. The next prime is 101131210223261. The reversal of 101131210223209 is 902322012131101.

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 101131210223209 - 2³ = 101131210223201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101131210223201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634014 + ... + 14236024.

It is an arithmetic number, because the mean of its divisors is an integer number (25282807815060).

Almost surely, 2^{101131210223209} is an apocalyptic number.

It is an amenable number.

101131210223209 is a deficient number, since it is larger than the sum of its proper divisors (21037031).

101131210223209 is an equidigital number, since it uses as much as digits as its factorization.

101131210223209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21037030.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 101131210223209 in words is "one hundred one trillion, one hundred thirty-one billion, two hundred ten million, two hundred twenty-three thousand, two hundred nine".