20102233120111 has 32 divisors (see below), whose sum is σ = 22400773585920. Its totient is φ = 17942403055104.

The previous prime is 20102233120051. The next prime is 20102233120153. The reversal of 20102233120111 is 11102133220102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102233120111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102233123111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23869936 + ... + 24697738.

It is an arithmetic number, because the mean of its divisors is an integer number (700024174560).

Almost surely, 2^{20102233120111} is an apocalyptic number.

20102233120111 is a deficient number, since it is larger than the sum of its proper divisors (2298540465809).

20102233120111 is a wasteful number, since it uses less digits than its factorization.

20102233120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828375.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20102233120111 its reverse (11102133220102), we get a palindrome (31204366340213).

Subtracting from 20102233120111 its reverse (11102133220102), we obtain a palindrome (9000099900009).

The spelling of 20102233120111 in words is "twenty trillion, one hundred two billion, two hundred thirty-three million, one hundred twenty thousand, one hundred eleven".