4001222020241 has 4 divisors (see below), whose sum is σ = 4001695938672. Its totient is φ = 4000748101812.

The previous prime is 4001222020183. The next prime is 4001222020319. The reversal of 4001222020241 is 1420202221004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4001222020241 - 2¹⁰ = 4001222019217 is a prime.

It is a super-2 number, since 2×4001222020241² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001222022241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236946551 + ... + 236963436.

It is an arithmetic number, because the mean of its divisors is an integer number (1000423984668).

Almost surely, 2^{4001222020241} is an apocalyptic number.

It is an amenable number.

4001222020241 is a deficient number, since it is larger than the sum of its proper divisors (473918431).

4001222020241 is an equidigital number, since it uses as much as digits as its factorization.

4001222020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473918430.

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

Adding to 4001222020241 its reverse (1420202221004), we get a palindrome (5421424241245).

The spelling of 4001222020241 in words is "four trillion, one billion, two hundred twenty-two million, twenty thousand, two hundred forty-one".