2420113121 has 2 divisors, whose sum is σ = 2420113122. Its totient is φ = 2420113120.

The previous prime is 2420113117. The next prime is 2420113127. The reversal of 2420113121 is 1213110242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1682230225 + 737882896 = 41015^2 + 27164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420113121 - 2² = 2420113117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2420113121.

It is not a weakly prime, because it can be changed into another prime (2420113127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210056560 + 1210056561.

It is an arithmetic number, because the mean of its divisors is an integer number (1210056561).

Almost surely, 2^2420113121 is an apocalyptic number.

It is an amenable number.

2420113121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420113121 is an equidigital number, since it uses as much as digits as its factorization.

2420113121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2420113121 is about 49194.6452472218. The cubic root of 2420113121 is about 1342.5956077913.

Adding to 2420113121 its reverse (1213110242), we get a palindrome (3633223363).

The spelling of 2420113121 in words is "two billion, four hundred twenty million, one hundred thirteen thousand, one hundred twenty-one".