11120021201121 has 16 divisors (see below), whose sum is σ = 16945003845504. Its totient is φ = 6354219216384.

The previous prime is 11120021201089. The next prime is 11120021201131. The reversal of 11120021201121 is 12110212002111.

It is a happy number.

It is not a de Polignac number, because 11120021201121 - 2⁵ = 11120021201089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11120021201121.

It is not an unprimeable number, because it can be changed into a prime (11120021201131) 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, 1515696 + ... + 4953521.

It is an arithmetic number, because the mean of its divisors is an integer number (1059062740344).

Almost surely, 2^{11120021201121} is an apocalyptic number.

It is an amenable number.

11120021201121 is a deficient number, since it is larger than the sum of its proper divisors (5824982644383).

11120021201121 is an equidigital number, since it uses as much as digits as its factorization.

11120021201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551080.

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

Adding to 11120021201121 its reverse (12110212002111), we get a palindrome (23230233203232).

The spelling of 11120021201121 in words is "eleven trillion, one hundred twenty billion, twenty-one million, two hundred one thousand, one hundred twenty-one".