1210331130100 has 72 divisors (see below), whose sum is σ = 2642577301728. Its totient is φ = 481155964800.

The previous prime is 1210331130097. The next prime is 1210331130103. The reversal of 1210331130100 is 10311330121.

It is an interprime number because it is at equal distance from previous prime (1210331130097) and next prime (1210331130103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210331130103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53047695 + ... + 53070505.

It is an arithmetic number, because the mean of its divisors is an integer number (36702462524).

Almost surely, 2^{1210331130100} is an apocalyptic number.

1210331130100 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 1210331130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321288650864).

1210331130100 is an abundant number, since it is smaller than the sum of its proper divisors (1432246171628).

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

1210331130100 is a wasteful number, since it uses less digits than its factorization.

1210331130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26065 (or 26058 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1210331130100 its reverse (10311330121), we get a palindrome (1220642460221).

It can be divided in two parts, 1210331 and 130100, that added together give a palindrome (1340431).

The spelling of 1210331130100 in words is "one trillion, two hundred ten billion, three hundred thirty-one million, one hundred thirty thousand, one hundred".