1123112102122 has 8 divisors (see below), whose sum is σ = 1685096724672. Its totient is φ = 561413193900.

The previous prime is 1123112102113. The next prime is 1123112102129. The reversal of 1123112102122 is 2212012113211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1123112102122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123112102122.

It is not an unprimeable number, because it can be changed into a prime (1123112102129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71418754 + ... + 71434477.

It is an arithmetic number, because the mean of its divisors is an integer number (210637090584).

Almost surely, 2^{1123112102122} is an apocalyptic number.

1123112102122 is a deficient number, since it is larger than the sum of its proper divisors (561984622550).

1123112102122 is a wasteful number, since it uses less digits than its factorization.

1123112102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142857164.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1123112102122 its reverse (2212012113211), we get a palindrome (3335124215333).

The spelling of 1123112102122 in words is "one trillion, one hundred twenty-three billion, one hundred twelve million, one hundred two thousand, one hundred twenty-two".