1123302101020 has 96 divisors (see below), whose sum is σ = 2649811340736. Its totient is φ = 396445286400.

The previous prime is 1123302101017. The next prime is 1123302101021. The reversal of 1123302101020 is 201012033211.

It is a super-2 number, since 2×1123302101020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123302100985 and 1123302101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123302101021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1418232 + ... + 2063488.

It is an arithmetic number, because the mean of its divisors is an integer number (27602201466).

Almost surely, 2^{1123302101020} is an apocalyptic number.

1123302101020 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 1123302101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324905670368).

1123302101020 is an abundant number, since it is smaller than the sum of its proper divisors (1526509239716).

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

1123302101020 is a wasteful number, since it uses less digits than its factorization.

1123302101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645511 (or 645509 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1123302101020 its reverse (201012033211), we get a palindrome (1324314134231).

The spelling of 1123302101020 in words is "one trillion, one hundred twenty-three billion, three hundred two million, one hundred one thousand, twenty".