1112020021020 has 48 divisors (see below), whose sum is σ = 3136383498528. Its totient is φ = 294374154240.

The previous prime is 1112020020971. The next prime is 1112020021033. The reversal of 1112020021020 is 201200202111.

It is a super-3 number, since 3×1112020021020³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1112020020987 and 1112020021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67632901 + ... + 67649340.

It is an arithmetic number, because the mean of its divisors is an integer number (65341322886).

Almost surely, 2^{1112020021020} is an apocalyptic number.

1112020021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112020021020 is an abundant number, since it is smaller than the sum of its proper divisors (2024363477508).

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

1112020021020 is a wasteful number, since it uses less digits than its factorization.

1112020021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135282390 (or 135282388 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1112020021020 its reverse (201200202111), we get a palindrome (1313220223131).

The spelling of 1112020021020 in words is "one trillion, one hundred twelve billion, twenty million, twenty-one thousand, twenty".