20203202011111 has 8 divisors (see below), whose sum is σ = 23154782720544. Its totient is φ = 17267973550080.

The previous prime is 20203202011081. The next prime is 20203202011151. The reversal of 20203202011111 is 11111020230202.

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

It is a cyclic number.

It is not a de Polignac number, because 20203202011111 - 2⁵ = 20203202011079 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 (20203202011151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4088059450 + ... + 4088064391.

It is an arithmetic number, because the mean of its divisors is an integer number (2894347840068).

Almost surely, 2^{20203202011111} is an apocalyptic number.

20203202011111 is a deficient number, since it is larger than the sum of its proper divisors (2951580709433).

20203202011111 is an equidigital number, since it uses as much as digits as its factorization.

20203202011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176124201.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20203202011111 its reverse (11111020230202), we get a palindrome (31314222241313).

The spelling of 20203202011111 in words is "twenty trillion, two hundred three billion, two hundred two million, eleven thousand, one hundred eleven".