1322021223100 has 108 divisors (see below), whose sum is σ = 3057284477520. Its totient is φ = 496098406400.

The previous prime is 1322021223091. The next prime is 1322021223143. The reversal of 1322021223100 is 13221202231.

It is a super-2 number, since 2×1322021223100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8914356 + ... + 9061444.

Almost surely, 2^{1322021223100} is an apocalyptic number.

1322021223100 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 1322021223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528642238760).

1322021223100 is an abundant number, since it is smaller than the sum of its proper divisors (1735263254420).

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

1322021223100 is a wasteful number, since it uses less digits than its factorization.

1322021223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147448 (or 147424 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1322021223100 its reverse (13221202231), we get a palindrome (1335242425331).

The spelling of 1322021223100 in words is "one trillion, three hundred twenty-two billion, twenty-one million, two hundred twenty-three thousand, one hundred".