43021020102 has 32 divisors (see below), whose sum is σ = 88858681344. Its totient is φ = 13871328000.

The previous prime is 43021020083. The next prime is 43021020103. The reversal of 43021020102 is 20102012034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43021020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358102 + ... + 462902.

It is an arithmetic number, because the mean of its divisors is an integer number (2776833792).

Almost surely, 2^43021020102 is an apocalyptic number.

43021020102 is an abundant number, since it is smaller than the sum of its proper divisors (45837661242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43021020102 is a wasteful number, since it uses less digits than its factorization.

43021020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107044.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 43021020102 its reverse (20102012034), we get a palindrome (63123032136).

The spelling of 43021020102 in words is "forty-three billion, twenty-one million, twenty thousand, one hundred two".