1323111120210 has 96 divisors (see below), whose sum is σ = 3832671727872. Its totient is φ = 313929642240.

The previous prime is 1323111120173. The next prime is 1323111120217. The reversal of 1323111120210 is 120211113231.

1323111120210 is a `hidden beast` number, since 1 + 32 + 311 + 112 + 0 + 210 = 666.

It is a super-2 number, since 2×1323111120210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1323111120217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14171299 + ... + 14264358.

It is an arithmetic number, because the mean of its divisors is an integer number (39923663832).

Almost surely, 2^{1323111120210} is an apocalyptic number.

1323111120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323111120210 is an abundant number, since it is smaller than the sum of its proper divisors (2509560607662).

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

1323111120210 is a wasteful number, since it uses less digits than its factorization.

1323111120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28435728 (or 28435725 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1323111120210 its reverse (120211113231), we get a palindrome (1443322233441).

It can be divided in two parts, 132311 and 1120210, that added together give a palindrome (1252521).

The spelling of 1323111120210 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, one hundred twenty thousand, two hundred ten".