1123102132020 has 240 divisors, whose sum is σ = 3844481610816. Its totient is φ = 272198016000.

The previous prime is 1123102131959. The next prime is 1123102132037. The reversal of 1123102132020 is 202312013211.

1123102132020 is a `hidden beast` number, since 1 + 12 + 310 + 2 + 1 + 320 + 20 = 666.

It is a super-2 number, since 2×1123102132020² (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 junction number, because it is equal to n+sod(n) for n = 1123102131984 and 1123102132002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 124218700 + ... + 124227740.

Almost surely, 2^{1123102132020} is an apocalyptic number.

1123102132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123102132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1922240805408).

1123102132020 is an abundant number, since it is smaller than the sum of its proper divisors (2721379478796).

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

1123102132020 is a wasteful number, since it uses less digits than its factorization.

1123102132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16044 (or 16033 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1123102132020 its reverse (202312013211), we get a palindrome (1325414145231).

The spelling of 1123102132020 in words is "one trillion, one hundred twenty-three billion, one hundred two million, one hundred thirty-two thousand, twenty".