20315101432211 has 4 divisors (see below), whose sum is σ = 20360959449432. Its totient is φ = 20269243414992.

The previous prime is 20315101432193. The next prime is 20315101432267. The reversal of 20315101432211 is 11223410151302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20315101432211 - 2¹⁰ = 20315101431187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20315101432291) 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, 22929007946 + ... + 22929008831.

It is an arithmetic number, because the mean of its divisors is an integer number (5090239862358).

Almost surely, 2^{20315101432211} is an apocalyptic number.

20315101432211 is a deficient number, since it is larger than the sum of its proper divisors (45858017221).

20315101432211 is an equidigital number, since it uses as much as digits as its factorization.

20315101432211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45858017220.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 20315101432211 its reverse (11223410151302), we get a palindrome (31538511583513).

The spelling of 20315101432211 in words is "twenty trillion, three hundred fifteen billion, one hundred one million, four hundred thirty-two thousand, two hundred eleven".