201122011011 has 16 divisors (see below), whose sum is σ = 277422681600. Its totient is φ = 129451774368.

The previous prime is 201122011007. The next prime is 201122011033. The reversal of 201122011011 is 110110221102.

It is not a de Polignac number, because 201122011011 - 2² = 201122011007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201122011081) 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, 2497900 + ... + 2577158.

It is an arithmetic number, because the mean of its divisors is an integer number (17338917600).

Almost surely, 2^201122011011 is an apocalyptic number.

201122011011 is a deficient number, since it is larger than the sum of its proper divisors (76300670589).

201122011011 is a wasteful number, since it uses less digits than its factorization.

201122011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108458.

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

Adding to 201122011011 its reverse (110110221102), we get a palindrome (311232232113).

The spelling of 201122011011 in words is "two hundred one billion, one hundred twenty-two million, eleven thousand, eleven".