221202111022 has 8 divisors (see below), whose sum is σ = 331809937200. Its totient is φ = 110598798624.

The previous prime is 221202111019. The next prime is 221202111041. The reversal of 221202111022 is 220111202122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221202110987 and 221202111005.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1003147 + ... + 1203622.

It is an arithmetic number, because the mean of its divisors is an integer number (41476242150).

Almost surely, 2^221202111022 is an apocalyptic number.

221202111022 is a deficient number, since it is larger than the sum of its proper divisors (110607826178).

221202111022 is a wasteful number, since it uses less digits than its factorization.

221202111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256890.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221202111022 its reverse (220111202122), we get a palindrome (441313313144).

The spelling of 221202111022 in words is "two hundred twenty-one billion, two hundred two million, one hundred eleven thousand, twenty-two".