201122011012011 has 8 divisors (see below), whose sum is σ = 268169250424320. Its totient is φ = 134078056137192.

The previous prime is 201122011012001. The next prime is 201122011012019. The reversal of 201122011012011 is 110210110221102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201122011012011 - 2³⁵ = 201087651273643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201122011012019) 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 7 ways as a sum of consecutive naturals, for example, 820991491 + ... + 821236428.

It is an arithmetic number, because the mean of its divisors is an integer number (33521156303040).

Almost surely, 2^{201122011012011} is an apocalyptic number.

201122011012011 is a deficient number, since it is larger than the sum of its proper divisors (67047239412309).

201122011012011 is a wasteful number, since it uses less digits than its factorization.

201122011012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642268745.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201122011012011 its reverse (110210110221102), we get a palindrome (311332121233113).

The spelling of 201122011012011 in words is "two hundred one trillion, one hundred twenty-two billion, eleven million, twelve thousand, eleven".