43212221002101 has 12 divisors (see below), whose sum is σ = 59534839345056. Its totient is φ = 27878852257560.

The previous prime is 43212221002079. The next prime is 43212221002123. The reversal of 43212221002101 is 10120012221234.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43212221002079) and next prime (43212221002123).

It is not a de Polignac number, because 43212221002101 - 2¹⁹ = 43212220477813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43212221002141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7494312241 + ... + 7494318006.

It is an arithmetic number, because the mean of its divisors is an integer number (4961236612088).

Almost surely, 2^{43212221002101} is an apocalyptic number.

It is an amenable number.

43212221002101 is a deficient number, since it is larger than the sum of its proper divisors (16322618342955).

43212221002101 is a wasteful number, since it uses less digits than its factorization.

43212221002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14988630312 (or 14988630281 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 43212221002101 its reverse (10120012221234), we get a palindrome (53332233223335).

The spelling of 43212221002101 in words is "forty-three trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, one hundred one".