20102033203111 has 4 divisors (see below), whose sum is σ = 20109950509000. Its totient is φ = 20094115897224.

The previous prime is 20102033203079. The next prime is 20102033203139. The reversal of 20102033203111 is 11130233020102.

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 20102033203111 - 2⁵ = 20102033203079 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 (20102033203211) 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, 3958649136 + ... + 3958654213.

It is an arithmetic number, because the mean of its divisors is an integer number (5027487627250).

Almost surely, 2^{20102033203111} is an apocalyptic number.

20102033203111 is a deficient number, since it is larger than the sum of its proper divisors (7917305889).

20102033203111 is an equidigital number, since it uses as much as digits as its factorization.

20102033203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917305888.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20102033203111 its reverse (11130233020102), we get a palindrome (31232266223213).

The spelling of 20102033203111 in words is "twenty trillion, one hundred two billion, thirty-three million, two hundred three thousand, one hundred eleven".