20201012011011 has 16 divisors (see below), whose sum is σ = 29293775229600. Its totient is φ = 12308308915200.

The previous prime is 20201012010931. The next prime is 20201012011013. The reversal of 20201012011011 is 11011021010202.

It is not a de Polignac number, because 20201012011011 - 2¹⁵ = 20201011978243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201012011013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2564227086 + ... + 2564234963.

It is an arithmetic number, because the mean of its divisors is an integer number (1830860951850).

Almost surely, 2^{20201012011011} is an apocalyptic number.

20201012011011 is a deficient number, since it is larger than the sum of its proper divisors (9092763218589).

20201012011011 is a wasteful number, since it uses less digits than its factorization.

20201012011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128462166.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20201012011011 its reverse (11011021010202), we get a palindrome (31212033021213).

The spelling of 20201012011011 in words is "twenty trillion, two hundred one billion, twelve million, eleven thousand, eleven".