11211231323100 has 36 divisors (see below), whose sum is σ = 32437829295704. Its totient is φ = 2989661686080.

The previous prime is 11211231323093. The next prime is 11211231323209. The reversal of 11211231323100 is 132313211211.

It is a super-2 number, since 2×11211231323100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18685385239 + ... + 18685385838.

Almost surely, 2^{11211231323100} is an apocalyptic number.

11211231323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211231323100 is an abundant number, since it is smaller than the sum of its proper divisors (21226597972604).

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

11211231323100 is a wasteful number, since it uses less digits than its factorization.

11211231323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37370771094 (or 37370771087 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11211231323100 its reverse (132313211211), we get a palindrome (11343544534311).

The spelling of 11211231323100 in words is "eleven trillion, two hundred eleven billion, two hundred thirty-one million, three hundred twenty-three thousand, one hundred".