221102022122 has 8 divisors (see below), whose sum is σ = 334872965856. Its totient is φ = 109477700172.

The previous prime is 221102022109. The next prime is 221102022137. The reversal of 221102022122 is 221220201122.

It is a happy number.

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

It is a super-2 number, since 2×221102022122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221102022122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536655188 + ... + 536655599.

It is an arithmetic number, because the mean of its divisors is an integer number (41859120732).

Almost surely, 2^221102022122 is an apocalyptic number.

221102022122 is a deficient number, since it is larger than the sum of its proper divisors (113770943734).

221102022122 is a wasteful number, since it uses less digits than its factorization.

221102022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073310892.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221102022122 its reverse (221220201122), we get a palindrome (442322223244).

The spelling of 221102022122 in words is "two hundred twenty-one billion, one hundred two million, twenty-two thousand, one hundred twenty-two".