4021221011241 has 8 divisors (see below), whose sum is σ = 6127574874304. Its totient is φ = 2297840577840.

The previous prime is 4021221011153. The next prime is 4021221011267. The reversal of 4021221011241 is 1421101221204.

4021221011241 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4021221011241 - 2¹¹ = 4021221009193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 191486714821 = 4021221011241 / (4 + 0 + 2 + 1 + 2 + 2 + 1 + 0 + 1 + 1 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021221010241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95743357390 + ... + 95743357431.

It is an arithmetic number, because the mean of its divisors is an integer number (765946859288).

Almost surely, 2^{4021221011241} is an apocalyptic number.

It is an amenable number.

4021221011241 is a deficient number, since it is larger than the sum of its proper divisors (2106353863063).

4021221011241 is a wasteful number, since it uses less digits than its factorization.

4021221011241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191486714831.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 4021221011241 its reverse (1421101221204), we get a palindrome (5442322232445).

The spelling of 4021221011241 in words is "four trillion, twenty-one billion, two hundred twenty-one million, eleven thousand, two hundred forty-one".