2442200121 has 12 divisors (see below), whose sum is σ = 3534813360. Its totient is φ = 1624814520.

The previous prime is 2442200063. The next prime is 2442200129. The reversal of 2442200121 is 1210022442.

2442200121 is a `hidden beast` number, since 2 + 442 + 200 + 1 + 21 = 666.

It is not a de Polignac number, because 2442200121 - 2¹⁹ = 2441675833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2442200094 and 2442200103.

It is not an unprimeable number, because it can be changed into a prime (2442200129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271911 + ... + 280748.

It is an arithmetic number, because the mean of its divisors is an integer number (294567780).

Almost surely, 2^2442200121 is an apocalyptic number.

It is an amenable number.

2442200121 is a deficient number, since it is larger than the sum of its proper divisors (1092613239).

2442200121 is a wasteful number, since it uses less digits than its factorization.

2442200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553156 (or 553153 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2442200121 is about 49418.6211968727. The cubic root of 2442200121 is about 1346.6676147416.

Adding to 2442200121 its reverse (1210022442), we get a palindrome (3652222563).

The spelling of 2442200121 in words is "two billion, four hundred forty-two million, two hundred thousand, one hundred twenty-one".