2100554124454 has 8 divisors (see below), whose sum is σ = 3159278456400. Its totient is φ = 1047461305656.

The previous prime is 2100554124379. The next prime is 2100554124463. The reversal of 2100554124454 is 4544214550012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407877354 + ... + 1407878845.

It is an arithmetic number, because the mean of its divisors is an integer number (394909807050).

Almost surely, 2^{2100554124454} is an apocalyptic number.

2100554124454 is a deficient number, since it is larger than the sum of its proper divisors (1058724331946).

2100554124454 is a wasteful number, since it uses less digits than its factorization.

2100554124454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815756574.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 2100554124454 its reverse (4544214550012), we get a palindrome (6644768674466).

The spelling of 2100554124454 in words is "two trillion, one hundred billion, five hundred fifty-four million, one hundred twenty-four thousand, four hundred fifty-four".