12101000010221 has 16 divisors (see below), whose sum is σ = 13380889302144. Its totient is φ = 10885042950144.

The previous prime is 12101000010193. The next prime is 12101000010223. The reversal of 12101000010221 is 12201000010121.

It is a cyclic number.

It is not a de Polignac number, because 12101000010221 - 2¹⁴ = 12100999993837 is a prime.

It is a super-3 number, since 3×12101000010221³ (a number of 40 digits) contains 333 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 (12101000010223) 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, 12239375 + ... + 13191068.

It is an arithmetic number, because the mean of its divisors is an integer number (836305581384).

Almost surely, 2^{12101000010221} is an apocalyptic number.

It is an amenable number.

12101000010221 is a deficient number, since it is larger than the sum of its proper divisors (1279889291923).

12101000010221 is a wasteful number, since it uses less digits than its factorization.

12101000010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25431700.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101000010221 its reverse (12201000010121), we get a palindrome (24302000020342).

The spelling of 12101000010221 in words is "twelve trillion, one hundred one billion, ten thousand, two hundred twenty-one".