221110102022 has 4 divisors (see below), whose sum is σ = 331665153036. Its totient is φ = 110555051010.

The previous prime is 221110102009. The next prime is 221110102027. The reversal of 221110102022 is 220201011122.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 221110101988 and 221110102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110102027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55277525504 + ... + 55277525507.

It is an arithmetic number, because the mean of its divisors is an integer number (82916288259).

Almost surely, 2^221110102022 is an apocalyptic number.

221110102022 is a deficient number, since it is larger than the sum of its proper divisors (110555051014).

221110102022 is a wasteful number, since it uses less digits than its factorization.

221110102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110555051013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221110102022 its reverse (220201011122), we get a palindrome (441311113144).

The spelling of 221110102022 in words is "two hundred twenty-one billion, one hundred ten million, one hundred two thousand, twenty-two".