12201112020021 has 16 divisors (see below), whose sum is σ = 16320294694080. Its totient is φ = 8108043238400.

The previous prime is 12201112019977. The next prime is 12201112020023. The reversal of 12201112020021 is 12002021110221.

It is a cyclic number.

It is not a de Polignac number, because 12201112020021 - 2⁷ = 12201112019893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201112020023) 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, 3968556 + ... + 6336533.

It is an arithmetic number, because the mean of its divisors is an integer number (1020018418380).

Almost surely, 2^{12201112020021} is an apocalyptic number.

It is an amenable number.

12201112020021 is a deficient number, since it is larger than the sum of its proper divisors (4119182674059).

12201112020021 is a wasteful number, since it uses less digits than its factorization.

12201112020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10306356.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201112020021 its reverse (12002021110221), we get a palindrome (24203133130242).

The spelling of 12201112020021 in words is "twelve trillion, two hundred one billion, one hundred twelve million, twenty thousand, twenty-one".