2421122153 has 2 divisors, whose sum is σ = 2421122154. Its totient is φ = 2421122152.

The previous prime is 2421122131. The next prime is 2421122239. The reversal of 2421122153 is 3512211242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2011343104 + 409779049 = 44848^2 + 20243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421122153 - 2⁸ = 2421121897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421112153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210561076 + 1210561077.

It is an arithmetic number, because the mean of its divisors is an integer number (1210561077).

Almost surely, 2^2421122153 is an apocalyptic number.

It is an amenable number.

2421122153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421122153 is an equidigital number, since it uses as much as digits as its factorization.

2421122153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 2421122153 is about 49204.8996848891. The cubic root of 2421122153 is about 1342.7821739599.

Adding to 2421122153 its reverse (3512211242), we get a palindrome (5933333395).

It can be divided in two parts, 24211 and 22153, that added together give a palindrome (46364).

The spelling of 2421122153 in words is "two billion, four hundred twenty-one million, one hundred twenty-two thousand, one hundred fifty-three".