12221021233331 has 8 divisors (see below), whose sum is σ = 12394991516544. Its totient is φ = 12048089579200.

The previous prime is 12221021233273. The next prime is 12221021233339. The reversal of 12221021233331 is 13333212012221.

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

It is a cyclic number.

It is not a de Polignac number, because 12221021233331 - 2²² = 12221017039027 is a prime.

It is a super-2 number, since 2×12221021233331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221021233331.

It is not an unprimeable number, because it can be changed into a prime (12221021233339) 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, 259633571 + ... + 259680636.

It is an arithmetic number, because the mean of its divisors is an integer number (1549373939568).

Almost surely, 2^{12221021233331} is an apocalyptic number.

12221021233331 is a deficient number, since it is larger than the sum of its proper divisors (173970283213).

12221021233331 is a wasteful number, since it uses less digits than its factorization.

12221021233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519314541.

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

Adding to 12221021233331 its reverse (13333212012221), we get a palindrome (25554233245552).

The spelling of 12221021233331 in words is "twelve trillion, two hundred twenty-one billion, twenty-one million, two hundred thirty-three thousand, three hundred thirty-one".