2100024421 has 8 divisors (see below), whose sum is σ = 2313619488. Its totient is φ = 1890210000.

The previous prime is 2100024403. The next prime is 2100024427. The reversal of 2100024421 is 1244200012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100024421 - 2⁷ = 2100024293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100024395 and 2100024404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100024427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943995 + ... + 946216.

It is an arithmetic number, because the mean of its divisors is an integer number (289202436).

Almost surely, 2^2100024421 is an apocalyptic number.

It is an amenable number.

2100024421 is a deficient number, since it is larger than the sum of its proper divisors (213595067).

2100024421 is a wasteful number, since it uses less digits than its factorization.

2100024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890323.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2100024421 is about 45826.0234037386. The cubic root of 2100024421 is about 1280.5841289403.

Adding to 2100024421 its reverse (1244200012), we get a palindrome (3344224433).

The spelling of 2100024421 in words is "two billion, one hundred million, twenty-four thousand, four hundred twenty-one".