243310112122 has 32 divisors (see below), whose sum is σ = 460503719424. Its totient is φ = 93654020400.

The previous prime is 243310112117. The next prime is 243310112131. The reversal of 243310112122 is 221211013342.

It is a super-2 number, since 2×243310112122² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 243310112093 and 243310112102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9504904 + ... + 9530467.

It is an arithmetic number, because the mean of its divisors is an integer number (14390741232).

Almost surely, 2^243310112122 is an apocalyptic number.

243310112122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243310112122 is a deficient number, since it is larger than the sum of its proper divisors (217193607302).

243310112122 is a wasteful number, since it uses less digits than its factorization.

243310112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19035474.

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

Adding to 243310112122 its reverse (221211013342), we get a palindrome (464521125464).

The spelling of 243310112122 in words is "two hundred forty-three billion, three hundred ten million, one hundred twelve thousand, one hundred twenty-two".