112222223421 has 32 divisors (see below), whose sum is σ = 186619711488. Its totient is φ = 58275858240.

The previous prime is 112222223411. The next prime is 112222223431. The reversal of 112222223421 is 124322222211.

It is an interprime number because it is at equal distance from previous prime (112222223411) and next prime (112222223431).

It is not a de Polignac number, because 112222223421 - 2⁶ = 112222223357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112222223391 and 112222223400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222223401) 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, 551391 + ... + 726963.

It is an arithmetic number, because the mean of its divisors is an integer number (5831865984).

Almost surely, 2^112222223421 is an apocalyptic number.

112222223421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112222223421 is a deficient number, since it is larger than the sum of its proper divisors (74397488067).

112222223421 is a wasteful number, since it uses less digits than its factorization.

112222223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178361.

The product of its digits is 1536, while the sum is 24.

Adding to 112222223421 its reverse (124322222211), we get a palindrome (236544445632).

The spelling of 112222223421 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred twenty-three thousand, four hundred twenty-one".