101222111221222 has 16 divisors (see below), whose sum is σ = 157077896571360. Its totient is φ = 48863014659648.

The previous prime is 101222111221211. The next prime is 101222111221229. The reversal of 101222111221222 is 222122111222101.

It is a junction number, because it is equal to n+sod(n) for n = 101222111221193 and 101222111221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222111221229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49564338 + ... + 51566149.

It is an arithmetic number, because the mean of its divisors is an integer number (9817368535710).

Almost surely, 2^{101222111221222} is an apocalyptic number.

101222111221222 is a deficient number, since it is larger than the sum of its proper divisors (55855785350138).

101222111221222 is a wasteful number, since it uses less digits than its factorization.

101222111221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101147775.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 101222111221222 its reverse (222122111222101), we get a palindrome (323344222443323).

The spelling of 101222111221222 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twenty-two".