2424021221401 has 16 divisors (see below), whose sum is σ = 2702893510800. Its totient is φ = 2158486944768.

The previous prime is 2424021221399. The next prime is 2424021221407. The reversal of 2424021221401 is 1041221204242.

It can be written as a sum of positive squares in 8 ways, for example, as 627485779600 + 1796535441801 = 792140^2 + 1340349^2 .

It is a cyclic number.

It is not a de Polignac number, because 2424021221401 - 2¹ = 2424021221399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2424021221407) 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, 2421916 + ... + 3273181.

It is an arithmetic number, because the mean of its divisors is an integer number (168930844425).

Almost surely, 2^{2424021221401} is an apocalyptic number.

It is an amenable number.

2424021221401 is a deficient number, since it is larger than the sum of its proper divisors (278872289399).

2424021221401 is a wasteful number, since it uses less digits than its factorization.

2424021221401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696268.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 2424021221401 its reverse (1041221204242), we get a palindrome (3465242425643).

The spelling of 2424021221401 in words is "two trillion, four hundred twenty-four billion, twenty-one million, two hundred twenty-one thousand, four hundred one".