11002110112221 has 32 divisors (see below), whose sum is σ = 15474273225600. Its totient is φ = 6933989836800.

The previous prime is 11002110112211. The next prime is 11002110112307. The reversal of 11002110112221 is 12221101120011.

It is a happy number.

It is not a de Polignac number, because 11002110112221 - 2⁷ = 11002110112093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11002110112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002110112211) 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, 76561125 + ... + 76704693.

It is an arithmetic number, because the mean of its divisors is an integer number (483571038300).

Almost surely, 2^{11002110112221} is an apocalyptic number.

It is an amenable number.

11002110112221 is a deficient number, since it is larger than the sum of its proper divisors (4472163113379).

11002110112221 is a wasteful number, since it uses less digits than its factorization.

11002110112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146429.

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

Adding to 11002110112221 its reverse (12221101120011), we get a palindrome (23223211232232).

The spelling of 11002110112221 in words is "eleven trillion, two billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-one".