11110022221221 has 96 divisors (see below), whose sum is σ = 20197687910400. Its totient is φ = 5716658125440.

The previous prime is 11110022221201. The next prime is 11110022221229. The reversal of 11110022221221 is 12212222001111.

11110022221221 is a `hidden beast` number, since 111 + 100 + 222 + 212 + 21 = 666.

It is not a de Polignac number, because 11110022221221 - 2¹⁰ = 11110022220197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110022221194 and 11110022221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110022221229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 253706890 + ... + 253750676.

It is an arithmetic number, because the mean of its divisors is an integer number (210392582400).

Almost surely, 2^{11110022221221} is an apocalyptic number.

11110022221221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11110022221221 is a deficient number, since it is larger than the sum of its proper divisors (9087665689179).

11110022221221 is a wasteful number, since it uses less digits than its factorization.

11110022221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47279 (or 47276 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11110022221221 its reverse (12212222001111), we get a palindrome (23322244222332).

The spelling of 11110022221221 in words is "eleven trillion, one hundred ten billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".