2421122211 has 16 divisors (see below), whose sum is σ = 3592204320. Its totient is φ = 1611671040.

The previous prime is 2421122153. The next prime is 2421122239. The reversal of 2421122211 is 1122211242.

It is not a de Polignac number, because 2421122211 - 2¹³ = 2421114019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421122281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48450 + ... + 84791.

It is an arithmetic number, because the mean of its divisors is an integer number (224512770).

Almost surely, 2^2421122211 is an apocalyptic number.

2421122211 is a deficient number, since it is larger than the sum of its proper divisors (1171082109).

2421122211 is a wasteful number, since it uses less digits than its factorization.

2421122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133923 (or 133917 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 2421122211 is about 49204.9002742613. The cubic root of 2421122211 is about 1342.7821846824.

Adding to 2421122211 its reverse (1122211242), we get a palindrome (3543333453).

The spelling of 2421122211 in words is "two billion, four hundred twenty-one million, one hundred twenty-two thousand, two hundred eleven".