1322220013100 has 108 divisors (see below), whose sum is σ = 3338102972736. Its totient is φ = 453272561280.

The previous prime is 1322220013099. The next prime is 1322220013129. The reversal of 1322220013100 is 13100222231.

It is a super-2 number, since 2×1322220013100² (a number of 25 digits) contains 22 as substring.

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, 53137862 + ... + 53162738.

Almost surely, 2^{1322220013100} is an apocalyptic number.

1322220013100 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 1322220013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669051486368).

1322220013100 is an abundant number, since it is smaller than the sum of its proper divisors (2015882959636).

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

1322220013100 is a wasteful number, since it uses less digits than its factorization.

1322220013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35752 (or 35738 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1322220013100 its reverse (13100222231), we get a palindrome (1335320235331).

The spelling of 1322220013100 in words is "one trillion, three hundred twenty-two billion, two hundred twenty million, thirteen thousand, one hundred".