201120102211011 has 4 divisors (see below), whose sum is σ = 268160136281352. Its totient is φ = 134080068140672.

The previous prime is 201120102211001. The next prime is 201120102211033. The reversal of 201120102211011 is 110112201021102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201120102211011 - 2²¹ = 201120100113859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201120102211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33520017035166 + ... + 33520017035171.

It is an arithmetic number, because the mean of its divisors is an integer number (67040034070338).

Almost surely, 2^{201120102211011} is an apocalyptic number.

201120102211011 is a deficient number, since it is larger than the sum of its proper divisors (67040034070341).

201120102211011 is an equidigital number, since it uses as much as digits as its factorization.

201120102211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67040034070340.

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

Adding to 201120102211011 its reverse (110112201021102), we get a palindrome (311232303232113).

The spelling of 201120102211011 in words is "two hundred one trillion, one hundred twenty billion, one hundred two million, two hundred eleven thousand, eleven".