2421002001242 has 24 divisors (see below), whose sum is σ = 4226455129428. Its totient is φ = 1035722779520.

The previous prime is 2421002001227. The next prime is 2421002001247.

2421002001242 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 2395000761241 + 26001240001 = 1547579^2 + 161249^2 .

It is a super-2 number, since 2×2421002001242² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421002001247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294235313 + ... + 294243540.

Almost surely, 2^{2421002001242} is an apocalyptic number.

2421002001242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2421002001242 is a deficient number, since it is larger than the sum of its proper divisors (1805453128186).

2421002001242 is a wasteful number, since it uses less digits than its factorization.

2421002001242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588478894 (or 588478883 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The spelling of 2421002001242 in words is "two trillion, four hundred twenty-one billion, two million, one thousand, two hundred forty-two".