2001100454 has 4 divisors (see below), whose sum is σ = 3001650684. Its totient is φ = 1000550226.

The previous prime is 2001100433. The next prime is 2001100483. The reversal of 2001100454 is 4540011002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2001100454² = 8008806053998012232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500275112 + ... + 500275115.

It is an arithmetic number, because the mean of its divisors is an integer number (750412671).

Almost surely, 2^2001100454 is an apocalyptic number.

2001100454 is a deficient number, since it is larger than the sum of its proper divisors (1000550230).

2001100454 is a wasteful number, since it uses less digits than its factorization.

2001100454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000550229.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2001100454 is about 44733.6613077892. The cubic root of 2001100454 is about 1260.1520883854.

Adding to 2001100454 its reverse (4540011002), we get a palindrome (6541111456).

The spelling of 2001100454 in words is "two billion, one million, one hundred thousand, four hundred fifty-four".