112121212110222 has 64 divisors (see below), whose sum is σ = 263215545707520. Its totient is φ = 31167400340736.

The previous prime is 112121212110221. The next prime is 112121212110223. The reversal of 112121212110222 is 222011212121211.

It is an interprime number because it is at equal distance from previous prime (112121212110221) and next prime (112121212110223).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121212110221) 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, 32432583 + ... + 35722749.

It is an arithmetic number, because the mean of its divisors is an integer number (4112742901680).

Almost surely, 2^{112121212110222} is an apocalyptic number.

112121212110222 is an abundant number, since it is smaller than the sum of its proper divisors (151094333597298).

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

112121212110222 is a wasteful number, since it uses less digits than its factorization.

112121212110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312145.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112121212110222 its reverse (222011212121211), we get a palindrome (334132424231433).

The spelling of 112121212110222 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-two".