2421011 has 4 divisors (see below), whose sum is σ = 2439624. Its totient is φ = 2402400.

The previous prime is 2420993. The next prime is 2421031. The reversal of 2421011 is 1101242.

2421011 = T₁₂₃ + T₁₂₄ + ... + T₂₅₃.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101242 = 2 ⋅550621.

It is a cyclic number.

It is not a de Polignac number, because 2421011 - 2¹⁰ = 2419987 is a prime.

It is a super-2 number, since 2×2421011² = 11722588524242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420983 and 2421001.

It is not an unprimeable number, because it can be changed into a prime (2421031) 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, 9110 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (609906).

2^2421011 is an apocalyptic number.

2421011 is a deficient number, since it is larger than the sum of its proper divisors (18613).

2421011 is a wasteful number, since it uses less digits than its factorization.

2421011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18612.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2421011 is about 1555.9598323864. The cubic root of 2421011 is about 134.2761624735.

Adding to 2421011 its reverse (1101242), we get a palindrome (3522253).

The spelling of 2421011 in words is "two million, four hundred twenty-one thousand, eleven".