2421200105 has 32 divisors (see below), whose sum is σ = 3027425280. Its totient is φ = 1857841920.

The previous prime is 2421200071. The next prime is 2421200123. The reversal of 2421200105 is 5010021242.

It is not a de Polignac number, because 2421200105 - 2¹² = 2421196009 is a prime.

It is a super-2 number, since 2×2421200105² = 11724419896904022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2226872 + ... + 2227958.

It is an arithmetic number, because the mean of its divisors is an integer number (94607040).

Almost surely, 2^2421200105 is an apocalyptic number.

It is an amenable number.

2421200105 is a deficient number, since it is larger than the sum of its proper divisors (606225175).

2421200105 is a wasteful number, since it uses less digits than its factorization.

2421200105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329.

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

The square root of 2421200105 is about 49205.6917947507. The cubic root of 2421200105 is about 1342.7965848303.

Adding to 2421200105 its reverse (5010021242), we get a palindrome (7431221347).

The spelling of 2421200105 in words is "two billion, four hundred twenty-one million, two hundred thousand, one hundred five".