102021236433 has 12 divisors (see below), whose sum is σ = 149439558528. Its totient is φ = 67056211320.

The previous prime is 102021236431. The next prime is 102021236461. The reversal of 102021236433 is 334632120201.

102021236433 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 2 + 12 + 3 + 643 + 3 = 666.

It is not a de Polignac number, because 102021236433 - 2¹ = 102021236431 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102021236397 and 102021236406.

It is not an unprimeable number, because it can be changed into a prime (102021236431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79828185 + ... + 79829462.

It is an arithmetic number, because the mean of its divisors is an integer number (12453296544).

Almost surely, 2^102021236433 is an apocalyptic number.

It is an amenable number.

102021236433 is a deficient number, since it is larger than the sum of its proper divisors (47418322095).

102021236433 is a wasteful number, since it uses less digits than its factorization.

102021236433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159657724 (or 159657721 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 102021236433 its reverse (334632120201), we get a palindrome (436653356634).

The spelling of 102021236433 in words is "one hundred two billion, twenty-one million, two hundred thirty-six thousand, four hundred thirty-three".