11120002212221 has 16 divisors (see below), whose sum is σ = 12712608716544. Its totient is φ = 9528404895744.

The previous prime is 11120002212197. The next prime is 11120002212223. The reversal of 11120002212221 is 12221220002111.

It is not a de Polignac number, because 11120002212221 - 2¹⁴ = 11120002195837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11120002212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120002212223) 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, 520028696 + ... + 520050078.

It is an arithmetic number, because the mean of its divisors is an integer number (794538044784).

Almost surely, 2^{11120002212221} is an apocalyptic number.

It is an amenable number.

11120002212221 is a deficient number, since it is larger than the sum of its proper divisors (1592606504323).

11120002212221 is a wasteful number, since it uses less digits than its factorization.

11120002212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41500.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11120002212221 its reverse (12221220002111), we get a palindrome (23341222214332).

The spelling of 11120002212221 in words is "eleven trillion, one hundred twenty billion, two million, two hundred twelve thousand, two hundred twenty-one".