213222231112 has 32 divisors (see below), whose sum is σ = 451175572800. Its totient is φ = 93577153600.

The previous prime is 213222231059. The next prime is 213222231127. The reversal of 213222231112 is 211132222312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41772964 + ... + 41778067.

It is an arithmetic number, because the mean of its divisors is an integer number (14099236650).

Almost surely, 2^213222231112 is an apocalyptic number.

213222231112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213222231112 is an abundant number, since it is smaller than the sum of its proper divisors (237953341688).

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

213222231112 is a wasteful number, since it uses less digits than its factorization.

213222231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83551077 (or 83551073 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 213222231112 its reverse (211132222312), we get a palindrome (424354453424).

The spelling of 213222231112 in words is "two hundred thirteen billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred twelve".