2420421011 has 4 divisors (see below), whose sum is σ = 2420749272. Its totient is φ = 2420092752.

The previous prime is 2420420983. The next prime is 2420421043. The reversal of 2420421011 is 1101240242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101240242 = 2 ⋅550620121.

It is a cyclic number.

It is not a de Polignac number, because 2420421011 - 2¹⁴ = 2420404627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420411011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152810 + ... + 167903.

It is an arithmetic number, because the mean of its divisors is an integer number (605187318).

Almost surely, 2^2420421011 is an apocalyptic number.

2420421011 is a deficient number, since it is larger than the sum of its proper divisors (328261).

2420421011 is an equidigital number, since it uses as much as digits as its factorization.

2420421011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328260.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2420421011 is about 49197.7744516965. The cubic root of 2420421011 is about 1342.6525409748.

Adding to 2420421011 its reverse (1101240242), we get a palindrome (3521661253).

The spelling of 2420421011 in words is "two billion, four hundred twenty million, four hundred twenty-one thousand, eleven".