101220121222 has 16 divisors (see below), whose sum is σ = 165646738944. Its totient is φ = 46005309000.

The previous prime is 101220121207. The next prime is 101220121267. The reversal of 101220121222 is 222121022101.

It is a happy number.

101220121222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 101220121196 and 101220121205.

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 7 ways as a sum of consecutive naturals, for example, 86947 + ... + 458257.

It is an arithmetic number, because the mean of its divisors is an integer number (10352921184).

Almost surely, 2^101220121222 is an apocalyptic number.

101220121222 is a deficient number, since it is larger than the sum of its proper divisors (64426617722).

101220121222 is a wasteful number, since it uses less digits than its factorization.

101220121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383715.

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

Adding to 101220121222 its reverse (222121022101), we get a palindrome (323341143323).

The spelling of 101220121222 in words is "one hundred one billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".