11120202022221 has 24 divisors (see below), whose sum is σ = 16373152227744. Its totient is φ = 7271468517600.

The previous prime is 11120202022219. The next prime is 11120202022231. The reversal of 11120202022221 is 12222020202111.

It is a happy number.

It is not a de Polignac number, because 11120202022221 - 2¹ = 11120202022219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120202022194 and 11120202022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120202022201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57068371 + ... + 57262896.

It is an arithmetic number, because the mean of its divisors is an integer number (682214676156).

Almost surely, 2^{11120202022221} is an apocalyptic number.

It is an amenable number.

11120202022221 is a deficient number, since it is larger than the sum of its proper divisors (5252950205523).

11120202022221 is a wasteful number, since it uses less digits than its factorization.

11120202022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114331481 (or 114331478 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11120202022221 its reverse (12222020202111), we get a palindrome (23342222224332).

The spelling of 11120202022221 in words is "eleven trillion, one hundred twenty billion, two hundred two million, twenty-two thousand, two hundred twenty-one".