11120012201221 has 32 divisors (see below), whose sum is σ = 13999643394048. Its totient is φ = 8580125629440.

The previous prime is 11120012201219. The next prime is 11120012201237. The reversal of 11120012201221 is 12210221002111.

It is a cyclic number.

It is not a de Polignac number, because 11120012201221 - 2¹ = 11120012201219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120012201195 and 11120012201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120012201201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112118565 + ... + 112217701.

It is an arithmetic number, because the mean of its divisors is an integer number (437488856064).

Almost surely, 2^{11120012201221} is an apocalyptic number.

11120012201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120012201221 is a deficient number, since it is larger than the sum of its proper divisors (2879631192827).

11120012201221 is a wasteful number, since it uses less digits than its factorization.

11120012201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113401.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11120012201221 its reverse (12210221002111), we get a palindrome (23330233203332).

The spelling of 11120012201221 in words is "eleven trillion, one hundred twenty billion, twelve million, two hundred one thousand, two hundred twenty-one".