20131100211 has 8 divisors (see below), whose sum is σ = 26851572160. Its totient is φ = 13415680872.

The previous prime is 20131100189. The next prime is 20131100243. The reversal of 20131100211 is 11200113102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20131100211 - 2⁶ = 20131100147 is a prime.

It is a super-2 number, since 2×20131100211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20131100111) 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, 1253845 + ... + 1269798.

It is an arithmetic number, because the mean of its divisors is an integer number (3356446520).

Almost surely, 2^20131100211 is an apocalyptic number.

20131100211 is a deficient number, since it is larger than the sum of its proper divisors (6720471949).

20131100211 is a wasteful number, since it uses less digits than its factorization.

20131100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526305.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 20131100211 its reverse (11200113102), we get a palindrome (31331213313).

The spelling of 20131100211 in words is "twenty billion, one hundred thirty-one million, one hundred thousand, two hundred eleven".