12201121021113 has 24 divisors (see below), whose sum is σ = 18033941676608. Its totient is φ = 7944808771872.

The previous prime is 12201121021093. The next prime is 12201121021121. The reversal of 12201121021113 is 31112012110221.

It is a happy number.

12201121021113 is a `hidden beast` number, since 1 + 220 + 11 + 210 + 211 + 13 = 666.

It is not a de Polignac number, because 12201121021113 - 2⁶ = 12201121021049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201121021013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36803931 + ... + 37133967.

Almost surely, 2^{12201121021113} is an apocalyptic number.

It is an amenable number.

12201121021113 is a deficient number, since it is larger than the sum of its proper divisors (5832820655495).

12201121021113 is a wasteful number, since it uses less digits than its factorization.

12201121021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425613 (or 425610 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12201121021113 its reverse (31112012110221), we get a palindrome (43313133131334).

The spelling of 12201121021113 in words is "twelve trillion, two hundred one billion, one hundred twenty-one million, twenty-one thousand, one hundred thirteen".