20043102211 has 4 divisors (see below), whose sum is σ = 21865202424. Its totient is φ = 18221002000.

The previous prime is 20043102169. The next prime is 20043102241. The reversal of 20043102211 is 11220134002.

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 20043102211 - 2¹⁹ = 20042577923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20043102241) 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, 911050090 + ... + 911050111.

It is an arithmetic number, because the mean of its divisors is an integer number (5466300606).

Almost surely, 2^20043102211 is an apocalyptic number.

20043102211 is a deficient number, since it is larger than the sum of its proper divisors (1822100213).

20043102211 is a wasteful number, since it uses less digits than its factorization.

20043102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822100212.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20043102211 its reverse (11220134002), we get a palindrome (31263236213).

The spelling of 20043102211 in words is "twenty billion, forty-three million, one hundred two thousand, two hundred eleven".