11212232312100 has 144 divisors (see below), whose sum is σ = 33194323427328. Its totient is φ = 2920715948160.

The previous prime is 11212232312011. The next prime is 11212232312119. The reversal of 11212232312100 is 121323221211.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6614077 + ... + 8134523.

It is an arithmetic number, because the mean of its divisors is an integer number (230516134912).

Almost surely, 2^{11212232312100} is an apocalyptic number.

11212232312100 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 11212232312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16597161713664).

11212232312100 is an abundant number, since it is smaller than the sum of its proper divisors (21982091115228).

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

11212232312100 is a wasteful number, since it uses less digits than its factorization.

11212232312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521034 (or 1521027 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11212232312100 its reverse (121323221211), we get a palindrome (11333555533311).

The spelling of 11212232312100 in words is "eleven trillion, two hundred twelve billion, two hundred thirty-two million, three hundred twelve thousand, one hundred".