101221220222 has 8 divisors (see below), whose sum is σ = 151834921200. Its totient is φ = 50609579824.

The previous prime is 101221220213. The next prime is 101221220267. The reversal of 101221220222 is 222022122101.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101221220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385847 + ... + 592722.

It is an arithmetic number, because the mean of its divisors is an integer number (18979365150).

Almost surely, 2^101221220222 is an apocalyptic number.

101221220222 is a deficient number, since it is larger than the sum of its proper divisors (50613700978).

101221220222 is an equidigital number, since it uses as much as digits as its factorization.

101221220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030290.

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

Adding to 101221220222 its reverse (222022122101), we get a palindrome (323243342323).

The spelling of 101221220222 in words is "one hundred one billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".