1112221322020 has 48 divisors (see below), whose sum is σ = 2472395808960. Its totient is φ = 419558057856.

The previous prime is 1112221322011. The next prime is 1112221322029. The reversal of 1112221322020 is 202231222111.

It is an interprime number because it is at equal distance from previous prime (1112221322011) and next prime (1112221322029).

It is not an unprimeable number, because it can be changed into a prime (1112221322029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22273002 + ... + 22322881.

It is an arithmetic number, because the mean of its divisors is an integer number (51508246020).

Almost surely, 2^{1112221322020} is an apocalyptic number.

1112221322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112221322020 is an abundant number, since it is smaller than the sum of its proper divisors (1360174486940).

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

1112221322020 is a wasteful number, since it uses less digits than its factorization.

1112221322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44595964 (or 44595962 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1112221322020 its reverse (202231222111), we get a palindrome (1314452544131).

Subtracting from 1112221322020 its reverse (202231222111), we obtain a palindrome (909990099909).

The spelling of 1112221322020 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, three hundred twenty-two thousand, twenty".