4021221004233 has 8 divisors (see below), whose sum is σ = 5362154884128. Its totient is φ = 2680550563584.

The previous prime is 4021221004109. The next prime is 4021221004327. The reversal of 4021221004233 is 3324001221204.

It is a happy number.

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

It is not a de Polignac number, because 4021221004233 - 2⁹ = 4021221003721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021221084233) 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, 65824191 + ... + 65885252.

It is an arithmetic number, because the mean of its divisors is an integer number (670269360516).

Almost surely, 2^{4021221004233} is an apocalyptic number.

It is an amenable number.

4021221004233 is a deficient number, since it is larger than the sum of its proper divisors (1340933879895).

4021221004233 is a wasteful number, since it uses less digits than its factorization.

4021221004233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131719623.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 4021221004233 its reverse (3324001221204), we get a palindrome (7345222225437).

The spelling of 4021221004233 in words is "four trillion, twenty-one billion, two hundred twenty-one million, four thousand, two hundred thirty-three".