1123122210210 has 768 divisors, whose sum is σ = 4042446041088. Its totient is φ = 208782489600.

The previous prime is 1123122210163. The next prime is 1123122210211. The reversal of 1123122210210 is 120122213211.

1123122210210 is a `hidden beast` number, since 1 + 1 + 231 + 2 + 221 + 0 + 210 = 666.

It is a super-2 number, since 2×1123122210210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1123122210211) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1156665025 + ... + 1156665995.

It is an arithmetic number, because the mean of its divisors is an integer number (5263601616).

Almost surely, 2^{1123122210210} is an apocalyptic number.

1123122210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123122210210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021223020544).

1123122210210 is an abundant number, since it is smaller than the sum of its proper divisors (2919323830878).

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

1123122210210 is a wasteful number, since it uses less digits than its factorization.

1123122210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1123122210210 its reverse (120122213211), we get a palindrome (1243244423421).

The spelling of 1123122210210 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-two million, two hundred ten thousand, two hundred ten".