221011110022 has 4 divisors (see below), whose sum is σ = 331516665036. Its totient is φ = 110505555010.

The previous prime is 221011109989. The next prime is 221011110029. The reversal of 221011110022 is 220011110122.

221011110022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220011110122 = 2 ⋅110005555061.

It is a junction number, because it is equal to n+sod(n) for n = 221011109984 and 221011110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011110029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55252777504 + ... + 55252777507.

It is an arithmetic number, because the mean of its divisors is an integer number (82879166259).

Almost surely, 2^221011110022 is an apocalyptic number.

221011110022 is a deficient number, since it is larger than the sum of its proper divisors (110505555014).

221011110022 is a wasteful number, since it uses less digits than its factorization.

221011110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110505555013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221011110022 its reverse (220011110122), we get a palindrome (441022220144).

The spelling of 221011110022 in words is "two hundred twenty-one billion, eleven million, one hundred ten thousand, twenty-two".