20331213232211 has 16 divisors (see below), whose sum is σ = 23780527186944. Its totient is φ = 17018266091904.

The previous prime is 20331213232199. The next prime is 20331213232223. The reversal of 20331213232211 is 11223231213302.

It is an interprime number because it is at equal distance from previous prime (20331213232199) and next prime (20331213232223).

It is not a de Polignac number, because 20331213232211 - 2²⁶ = 20331146123347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331213232241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4781435 + ... + 7970228.

It is an arithmetic number, because the mean of its divisors is an integer number (1486282949184).

Almost surely, 2^{20331213232211} is an apocalyptic number.

20331213232211 is a deficient number, since it is larger than the sum of its proper divisors (3449313954733).

20331213232211 is a wasteful number, since it uses less digits than its factorization.

20331213232211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12757010.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20331213232211 its reverse (11223231213302), we get a palindrome (31554444445513).

The spelling of 20331213232211 in words is "twenty trillion, three hundred thirty-one billion, two hundred thirteen million, two hundred thirty-two thousand, two hundred eleven".