2154243140100 has 108 divisors (see below), whose sum is σ = 7107742627440. Its totient is φ = 544229841600.

The previous prime is 2154243140089. The next prime is 2154243140131. The reversal of 2154243140100 is 10413424512.

2154243140100 is a `hidden beast` number, since 2 + 1 + 542 + 4 + 3 + 14 + 0 + 100 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62972466 + ... + 63006665.

Almost surely, 2^{2154243140100} is an apocalyptic number.

2154243140100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154243140100 is an abundant number, since it is smaller than the sum of its proper divisors (4953499487340).

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

2154243140100 is a wasteful number, since it uses less digits than its factorization.

2154243140100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125979170 (or 125979160 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2154243140100 its reverse (10413424512), we get a palindrome (2164656564612).

The spelling of 2154243140100 in words is "two trillion, one hundred fifty-four billion, two hundred forty-three million, one hundred forty thousand, one hundred".