1112020212220 has 96 divisors (see below), whose sum is σ = 2501780456448. Its totient is φ = 413720773632.

The previous prime is 1112020212179. The next prime is 1112020212223. The reversal of 1112020212220 is 222120202111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1112020212194 and 1112020212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112020212223) 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, 17022139 + ... + 17087341.

It is an arithmetic number, because the mean of its divisors is an integer number (26060213088).

Almost surely, 2^{1112020212220} is an apocalyptic number.

1112020212220 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 1112020212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250890228224).

1112020212220 is an abundant number, since it is smaller than the sum of its proper divisors (1389760244228).

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

1112020212220 is a wasteful number, since it uses less digits than its factorization.

1112020212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65819 (or 65817 counting only the distinct ones).

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

Adding to 1112020212220 its reverse (222120202111), we get a palindrome (1334140414331).

The spelling of 1112020212220 in words is "one trillion, one hundred twelve billion, twenty million, two hundred twelve thousand, two hundred twenty".