11120001122221 has 8 divisors (see below), whose sum is σ = 11705481629600. Its totient is φ = 10534542343920.

The previous prime is 11120001122159. The next prime is 11120001122239. The reversal of 11120001122221 is 12222110002111.

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

It is a cyclic number.

It is not a de Polignac number, because 11120001122221 - 2⁷ = 11120001122093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120001122195 and 11120001122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120001122621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4376550 + ... + 6433831.

It is an arithmetic number, because the mean of its divisors is an integer number (1463185203700).

Almost surely, 2^{11120001122221} is an apocalyptic number.

It is an amenable number.

11120001122221 is a deficient number, since it is larger than the sum of its proper divisors (585480507379).

11120001122221 is a wasteful number, since it uses less digits than its factorization.

11120001122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10864539.

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

Adding to 11120001122221 its reverse (12222110002111), we get a palindrome (23342111124332).

The spelling of 11120001122221 in words is "eleven trillion, one hundred twenty billion, one million, one hundred twenty-two thousand, two hundred twenty-one".