201001111201011 has 16 divisors (see below), whose sum is σ = 292472385528960. Its totient is φ = 121774216576320.

The previous prime is 201001111201001. The next prime is 201001111201013. The reversal of 201001111201011 is 110102111100102.

It is not a de Polignac number, because 201001111201011 - 2¹⁸ = 201001110938867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201001111201013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115876005 + ... + 1116056118.

It is an arithmetic number, because the mean of its divisors is an integer number (18279524095560).

Almost surely, 2^{201001111201011} is an apocalyptic number.

201001111201011 is a deficient number, since it is larger than the sum of its proper divisors (91471274327949).

201001111201011 is a wasteful number, since it uses less digits than its factorization.

201001111201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231934866.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 201001111201011 its reverse (110102111100102), we get a palindrome (311103222301113).

It can be divided in two parts, 20100 and 1111201011, that added together give a palindrome (1111221111).

The spelling of 201001111201011 in words is "two hundred one trillion, one billion, one hundred eleven million, two hundred one thousand, eleven".