112222100002221 has 24 divisors (see below), whose sum is σ = 184523294869056. Its totient is φ = 65056289855040.

The previous prime is 112222100002219. The next prime is 112222100002223. The reversal of 112222100002221 is 122200001222211.

It is a happy number.

112222100002221 is a `hidden beast` number, since 11 + 222 + 210 + 0 + 0 + 0 + 2 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (112222100002219) and next prime (112222100002223).

It is not a de Polignac number, because 112222100002221 - 2¹ = 112222100002219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112222100002194 and 112222100002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222100002223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24642531760 + ... + 24642536313.

It is an arithmetic number, because the mean of its divisors is an integer number (7688470619544).

Almost surely, 2^{112222100002221} is an apocalyptic number.

112222100002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112222100002221 is a deficient number, since it is larger than the sum of its proper divisors (72301194866835).

112222100002221 is a wasteful number, since it uses less digits than its factorization.

112222100002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49285068113 (or 49285068110 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112222100002221 its reverse (122200001222211), we get a palindrome (234422101224432).

The spelling of 112222100002221 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred million, two thousand, two hundred twenty-one".