20201112111011 has 8 divisors (see below), whose sum is σ = 21755078951424. Its totient is φ = 18647150290560.

The previous prime is 20201112110989. The next prime is 20201112111017. The reversal of 20201112111011 is 11011121110202.

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 20201112111011 - 2⁶ = 20201112110947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201112111017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13728491 + ... + 15128571.

It is an arithmetic number, because the mean of its divisors is an integer number (2719384868928).

Almost surely, 2^{20201112111011} is an apocalyptic number.

20201112111011 is a deficient number, since it is larger than the sum of its proper divisors (1553966840413).

20201112111011 is a wasteful number, since it uses less digits than its factorization.

20201112111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509981.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20201112111011 its reverse (11011121110202), we get a palindrome (31212233221213).

The spelling of 20201112111011 in words is "twenty trillion, two hundred one billion, one hundred twelve million, one hundred eleven thousand, eleven".