20110201012011 has 16 divisors (see below), whose sum is σ = 29251361899008. Its totient is φ = 12187933768800.

The previous prime is 20110201011991. The next prime is 20110201012063. The reversal of 20110201012011 is 11021010201102.

It is not a de Polignac number, because 20110201012011 - 2¹³ = 20110201003819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110201012511) 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, 4812510 + ... + 7961196.

It is an arithmetic number, because the mean of its divisors is an integer number (1828210118688).

Almost surely, 2^{20110201012011} is an apocalyptic number.

20110201012011 is a deficient number, since it is larger than the sum of its proper divisors (9141160886997).

20110201012011 is a wasteful number, since it uses less digits than its factorization.

20110201012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342242.

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

Adding to 20110201012011 its reverse (11021010201102), we get a palindrome (31131211213113).

The spelling of 20110201012011 in words is "twenty trillion, one hundred ten billion, two hundred one million, twelve thousand, eleven".