112121111001222 has 64 divisors (see below), whose sum is σ = 253529640645120. Its totient is φ = 36721554357600.

The previous prime is 112121111001217. The next prime is 112121111001227. The reversal of 112121111001222 is 222100111121211.

It is a happy number.

112121111001222 is a `hidden beast` number, since 1 + 121 + 211 + 110 + 0 + 1 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (112121111001217) and next prime (112121111001227).

It is a super-2 number, since 2×112121111001222² (a number of 29 digits) contains 22 as substring.

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 = 112121111001195 and 112121111001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121111001227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48780904 + ... + 51027627.

It is an arithmetic number, because the mean of its divisors is an integer number (3961400635080).

Almost surely, 2^{112121111001222} is an apocalyptic number.

112121111001222 is an abundant number, since it is smaller than the sum of its proper divisors (141408529643898).

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

112121111001222 is a wasteful number, since it uses less digits than its factorization.

112121111001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99808906 (or 99808900 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112121111001222 its reverse (222100111121211), we get a palindrome (334221222122433).

The spelling of 112121111001222 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred eleven million, one thousand, two hundred twenty-two".