1234331013221 has 16 divisors (see below), whose sum is σ = 1256979358080. Its totient is φ = 1211884396800.

The previous prime is 1234331013199. The next prime is 1234331013247. The reversal of 1234331013221 is 1223101334321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1234331013221 - 2¹⁴ = 1234330996837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234331013821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35367446 + ... + 35402328.

It is an arithmetic number, because the mean of its divisors is an integer number (78561209880).

Almost surely, 2^{1234331013221} is an apocalyptic number.

It is an amenable number.

1234331013221 is a deficient number, since it is larger than the sum of its proper divisors (22648344859).

1234331013221 is a wasteful number, since it uses less digits than its factorization.

1234331013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37756.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1234331013221 its reverse (1223101334321), we get a palindrome (2457432347542).

The spelling of 1234331013221 in words is "one trillion, two hundred thirty-four billion, three hundred thirty-one million, thirteen thousand, two hundred twenty-one".