20101200310211 has 4 divisors (see below), whose sum is σ = 20110130210424. Its totient is φ = 20092270410000.

The previous prime is 20101200310117. The next prime is 20101200310241. The reversal of 20101200310211 is 11201300210102.

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 20101200310211 - 2⁴² = 15703153799107 is a prime.

It is a super-2 number, since 2×20101200310211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101200310241) 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 3 ways as a sum of consecutive naturals, for example, 4464946730 + ... + 4464951231.

It is an arithmetic number, because the mean of its divisors is an integer number (5027532552606).

Almost surely, 2^{20101200310211} is an apocalyptic number.

20101200310211 is a deficient number, since it is larger than the sum of its proper divisors (8929900213).

20101200310211 is an equidigital number, since it uses as much as digits as its factorization.

20101200310211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8929900212.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20101200310211 its reverse (11201300210102), we get a palindrome (31302500520313).

The spelling of 20101200310211 in words is "twenty trillion, one hundred one billion, two hundred million, three hundred ten thousand, two hundred eleven".