1320023101110 has 256 divisors, whose sum is σ = 3795111290880. Its totient is φ = 287565189120.

The previous prime is 1320023101063. The next prime is 1320023101127. The reversal of 1320023101110 is 111013200231.

It is a happy number.

It is a super-2 number, since 2×1320023101110² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1320023101110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 94219786 + ... + 94233794.

It is an arithmetic number, because the mean of its divisors is an integer number (14824653480).

Almost surely, 2^{1320023101110} is an apocalyptic number.

1320023101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320023101110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897555645440).

1320023101110 is an abundant number, since it is smaller than the sum of its proper divisors (2475088189770).

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

1320023101110 is a wasteful number, since it uses less digits than its factorization.

1320023101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14311.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1320023101110 its reverse (111013200231), we get a palindrome (1431036301341).

The spelling of 1320023101110 in words is "one trillion, three hundred twenty billion, twenty-three million, one hundred one thousand, one hundred ten".