1123102213020 has 120 divisors (see below), whose sum is σ = 3730461167664. Its totient is φ = 281876626944.

The previous prime is 1123102213019. The next prime is 1123102213081. The reversal of 1123102213020 is 203122013211.

1123102213020 is a `hidden beast` number, since 112 + 31 + 0 + 221 + 302 + 0 = 666.

It is a super-2 number, since 2×1123102213020² (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 = 1123102212984 and 1123102213002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20362842 + ... + 20417921.

Almost surely, 2^{1123102213020} is an apocalyptic number.

1123102213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123102213020 is an abundant number, since it is smaller than the sum of its proper divisors (2607358954644).

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

1123102213020 is a wasteful number, since it uses less digits than its factorization.

1123102213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40780801 (or 40780790 counting only the distinct ones).

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

Adding to 1123102213020 its reverse (203122013211), we get a palindrome (1326224226231).

The spelling of 1123102213020 in words is "one trillion, one hundred twenty-three billion, one hundred two million, two hundred thirteen thousand, twenty".