20201010001111 has 32 divisors (see below), whose sum is σ = 21514536021888. Its totient is φ = 18927953510400.

The previous prime is 20201010001087. The next prime is 20201010001153. The reversal of 20201010001111 is 11110001010202.

It is a cyclic number.

It is not a de Polignac number, because 20201010001111 - 2⁵ = 20201010001079 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 (20201010001171) 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, 778956301 + ... + 778982233.

It is an arithmetic number, because the mean of its divisors is an integer number (672329250684).

Almost surely, 2^{20201010001111} is an apocalyptic number.

20201010001111 is a deficient number, since it is larger than the sum of its proper divisors (1313526020777).

20201010001111 is a wasteful number, since it uses less digits than its factorization.

20201010001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29611.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20201010001111 its reverse (11110001010202), we get a palindrome (31311011011313).

The spelling of 20201010001111 in words is "twenty trillion, two hundred one billion, ten million, one thousand, one hundred eleven".