201211000120011 has 16 divisors (see below), whose sum is σ = 307138619992064. Its totient is φ = 114778446211584.

The previous prime is 201211000119979. The next prime is 201211000120069. The reversal of 201211000120011 is 110021000112102.

It is not a de Polignac number, because 201211000120011 - 2⁵ = 201211000119979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201211000140011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8302826875 + ... + 8302851108.

It is an arithmetic number, because the mean of its divisors is an integer number (19196163749504).

Almost surely, 2^{201211000120011} is an apocalyptic number.

201211000120011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201211000120011 is a deficient number, since it is larger than the sum of its proper divisors (105927619872053).

201211000120011 is a wasteful number, since it uses less digits than its factorization.

201211000120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16605678570.

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

Adding to 201211000120011 its reverse (110021000112102), we get a palindrome (311232000232113).

The spelling of 201211000120011 in words is "two hundred one trillion, two hundred eleven billion, one hundred twenty thousand, eleven".