112121112221222 has 64 divisors (see below), whose sum is σ = 193912208582400. Its totient is φ = 48186345674880.

The previous prime is 112121112221221. The next prime is 112121112221299. The reversal of 112121112221222 is 222122211121211.

It is a super-2 number, since 2×112121112221222² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121112221221) 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, 193152197 + ... + 193731807.

It is an arithmetic number, because the mean of its divisors is an integer number (3029878259100).

Almost surely, 2^{112121112221222} is an apocalyptic number.

112121112221222 is a deficient number, since it is larger than the sum of its proper divisors (81791096361178).

112121112221222 is a wasteful number, since it uses less digits than its factorization.

112121112221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586341.

The product of its digits is 256, while the sum is 23.

Adding to 112121112221222 its reverse (222122211121211), we get a palindrome (334243323342433).

The spelling of 112121112221222 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".