112002021221020 has 96 divisors (see below), whose sum is σ = 269384978257920. Its totient is φ = 38317899578880.

The previous prime is 112002021220987. The next prime is 112002021221023. The reversal of 112002021221020 is 20122120200211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112002021220985 and 112002021221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002021221023) 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, 131136960 + ... + 131988280.

It is an arithmetic number, because the mean of its divisors is an integer number (2806093523520).

Almost surely, 2^{112002021221020} is an apocalyptic number.

112002021221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112002021221020 is an abundant number, since it is smaller than the sum of its proper divisors (157382957036900).

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

112002021221020 is a wasteful number, since it uses less digits than its factorization.

112002021221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853363 (or 853361 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112002021221020 its reverse (20122120200211), we get a palindrome (132124141421231).

The spelling of 112002021221020 in words is "one hundred twelve trillion, two billion, twenty-one million, two hundred twenty-one thousand, twenty".