1322030111220 has 432 divisors, whose sum is σ = 5122810248192. Its totient is φ = 269934612480.

The previous prime is 1322030111209. The next prime is 1322030111263. The reversal of 1322030111220 is 221110302231.

1322030111220 is a `hidden beast` number, since 13 + 220 + 301 + 112 + 20 = 666.

It is a super-2 number, since 2×1322030111220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1322030111193 and 1322030111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6501004 + ... + 6701276.

It is an arithmetic number, because the mean of its divisors is an integer number (11858357056).

Almost surely, 2^{1322030111220} is an apocalyptic number.

1322030111220 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 1322030111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561405124096).

1322030111220 is an abundant number, since it is smaller than the sum of its proper divisors (3800780136972).

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

1322030111220 is a wasteful number, since it uses less digits than its factorization.

1322030111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200352 (or 200334 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1322030111220 its reverse (221110302231), we get a palindrome (1543140413451).

The spelling of 1322030111220 in words is "one trillion, three hundred twenty-two billion, thirty million, one hundred eleven thousand, two hundred twenty".