4201121320240 has 80 divisors (see below), whose sum is σ = 10519326907488. Its totient is φ = 1551129366528.

The previous prime is 4201121320237. The next prime is 4201121320373. The reversal of 4201121320240 is 420231211024.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×4201121320240³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42000367 + ... + 42100273.

Almost surely, 2^{4201121320240} is an apocalyptic number.

4201121320240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4201121320240 is an abundant number, since it is smaller than the sum of its proper divisors (6318205587248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4201121320240 is a wasteful number, since it uses less digits than its factorization.

4201121320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140366 (or 140360 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 4201121320240 its reverse (420231211024), we get a palindrome (4621352531264).

The spelling of 4201121320240 in words is "four trillion, two hundred one billion, one hundred twenty-one million, three hundred twenty thousand, two hundred forty".