12201330110421 has 64 divisors (see below), whose sum is σ = 17918334777600. Its totient is φ = 7350729179136.

The previous prime is 12201330110413. The next prime is 12201330110441. The reversal of 12201330110421 is 12401103310221.

It is not a de Polignac number, because 12201330110421 - 2³ = 12201330110413 is a prime.

It is a super-2 number, since 2×12201330110421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201330110401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 989638585 + ... + 989650913.

It is an arithmetic number, because the mean of its divisors is an integer number (279973980900).

Almost surely, 2^{12201330110421} is an apocalyptic number.

It is an amenable number.

12201330110421 is a deficient number, since it is larger than the sum of its proper divisors (5717004667179).

12201330110421 is a wasteful number, since it uses less digits than its factorization.

12201330110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16038.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12201330110421 its reverse (12401103310221), we get a palindrome (24602433420642).

The spelling of 12201330110421 in words is "twelve trillion, two hundred one billion, three hundred thirty million, one hundred ten thousand, four hundred twenty-one".