1322013111100 has 72 divisors (see below), whose sum is σ = 3164729475600. Its totient is φ = 475330521600.

The previous prime is 1322013111079. The next prime is 1322013111101. The reversal of 1322013111100 is 11113102231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322013111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6653955 + ... + 6849754.

It is an arithmetic number, because the mean of its divisors is an integer number (43954576050).

Almost surely, 2^{1322013111100} is an apocalyptic number.

1322013111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322013111100 is an abundant number, since it is smaller than the sum of its proper divisors (1842716364500).

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

1322013111100 is a wasteful number, since it uses less digits than its factorization.

1322013111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13503823 (or 13503816 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1322013111100 its reverse (11113102231), we get a palindrome (1333126213331).

The spelling of 1322013111100 in words is "one trillion, three hundred twenty-two billion, thirteen million, one hundred eleven thousand, one hundred".