12221102302331 has 16 divisors (see below), whose sum is σ = 13854462585600. Its totient is φ = 10686831212448.

The previous prime is 12221102302271. The next prime is 12221102302361. The reversal of 12221102302331 is 13320320112221.

It is a cyclic number.

It is not a de Polignac number, because 12221102302331 - 2⁶ = 12221102302267 is a prime.

It is a super-2 number, since 2×12221102302331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12221102302297 and 12221102302306.

It is not an unprimeable number, because it can be changed into a prime (12221102302361) 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, 4928210 + ... + 6980648.

It is an arithmetic number, because the mean of its divisors is an integer number (865903911600).

Almost surely, 2^{12221102302331} is an apocalyptic number.

12221102302331 is a deficient number, since it is larger than the sum of its proper divisors (1633360283269).

12221102302331 is a wasteful number, since it uses less digits than its factorization.

12221102302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076578.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12221102302331 its reverse (13320320112221), we get a palindrome (25541422414552).

The spelling of 12221102302331 in words is "twelve trillion, two hundred twenty-one billion, one hundred two million, three hundred two thousand, three hundred thirty-one".