101222111001222 has 24 divisors (see below), whose sum is σ = 219321577215000. Its totient is φ = 33739626224160.

The previous prime is 101222111001211. The next prime is 101222111001269. The reversal of 101222111001222 is 222100111222101.

101222111001222 is a `hidden beast` number, since 10 + 122 + 211 + 100 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101222111001195 and 101222111001204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89207472 + ... + 90335027.

It is an arithmetic number, because the mean of its divisors is an integer number (9138399050625).

Almost surely, 2^{101222111001222} is an apocalyptic number.

101222111001222 is an abundant number, since it is smaller than the sum of its proper divisors (118099466213778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101222111001222 is a wasteful number, since it uses less digits than its factorization.

101222111001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179573828 (or 179573825 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101222111001222 its reverse (222100111222101), we get a palindrome (323322222223323).

The spelling of 101222111001222 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred eleven million, one thousand, two hundred twenty-two".