12221022302311 has 16 divisors (see below), whose sum is σ = 12884095991808. Its totient is φ = 11574768657600.

The previous prime is 12221022302303. The next prime is 12221022302317. The reversal of 12221022302311 is 11320322012221.

It is a cyclic number.

It is not a de Polignac number, because 12221022302311 - 2³ = 12221022302303 is a prime.

It is a super-2 number, since 2×12221022302311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221022302317) 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, 48454971 + ... + 48706531.

It is an arithmetic number, because the mean of its divisors is an integer number (805255999488).

Almost surely, 2^{12221022302311} is an apocalyptic number.

12221022302311 is a deficient number, since it is larger than the sum of its proper divisors (663073689497).

12221022302311 is a wasteful number, since it uses less digits than its factorization.

12221022302311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284982.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12221022302311 its reverse (11320322012221), we get a palindrome (23541344314532).

The spelling of 12221022302311 in words is "twelve trillion, two hundred twenty-one billion, twenty-two million, three hundred two thousand, three hundred eleven".