1322101120 has 64 divisors (see below), whose sum is σ = 3168642240. Its totient is φ = 527503360.

The previous prime is 1322101069. The next prime is 1322101163. The reversal of 1322101120 is 211012231.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1322101120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273444 + ... + 278236.

It is an arithmetic number, because the mean of its divisors is an integer number (49510035).

Almost surely, 2^1322101120 is an apocalyptic number.

1322101120 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 1322101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584321120).

1322101120 is an abundant number, since it is smaller than the sum of its proper divisors (1846541120).

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

1322101120 is an equidigital number, since it uses as much as digits as its factorization.

1322101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243 (or 5231 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1322101120 is about 36360.7084639450. The cubic root of 1322101120 is about 1097.5430341001.

Adding to 1322101120 its reverse (211012231), we get a palindrome (1533113351).

Subtracting from 1322101120 its reverse (211012231), we obtain a square (1111088889 = 33333²).

The spelling of 1322101120 in words is "one billion, three hundred twenty-two million, one hundred one thousand, one hundred twenty".