2544312121100 has 36 divisors (see below), whose sum is σ = 5596789610664. Its totient is φ = 1003783409280.

The previous prime is 2544312121093. The next prime is 2544312121157. The reversal of 2544312121100 is 11212134452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2544312121100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174260654 + ... + 174275253.

It is an arithmetic number, because the mean of its divisors is an integer number (155466378074).

Almost surely, 2^{2544312121100} is an apocalyptic number.

2544312121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544312121100 is an abundant number, since it is smaller than the sum of its proper divisors (3052477489564).

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

2544312121100 is a wasteful number, since it uses less digits than its factorization.

2544312121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348535994 (or 348535987 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 2544312121100 its reverse (11212134452), we get a palindrome (2555524255552).

The spelling of 2544312121100 in words is "two trillion, five hundred forty-four billion, three hundred twelve million, one hundred twenty-one thousand, one hundred".