1112122212020 has 48 divisors (see below), whose sum is σ = 2338134942528. Its totient is φ = 444338979840.

The previous prime is 1112122212013. The next prime is 1112122212023. The reversal of 1112122212020 is 202122212111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112122212020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112122212023) 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, 122327675 + ... + 122336765.

It is an arithmetic number, because the mean of its divisors is an integer number (48711144636).

Almost surely, 2^{1112122212020} is an apocalyptic number.

1112122212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112122212020 is an abundant number, since it is smaller than the sum of its proper divisors (1226012730508).

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

1112122212020 is a wasteful number, since it uses less digits than its factorization.

1112122212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15440 (or 15438 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1112122212020 its reverse (202122212111), we get a palindrome (1314244424131).

Subtracting from 1112122212020 its reverse (202122212111), we obtain a palindrome (909999999909).

It can be divided in two parts, 111212 and 2212020, that added together give a palindrome (2323232).

The spelling of 1112122212020 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, twenty".