102021033133 has 4 divisors (see below), whose sum is σ = 103693509148. Its totient is φ = 100348557120.

The previous prime is 102021033091. The next prime is 102021033143. The reversal of 102021033133 is 331330120201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331330120201 = 19 ⋅17438427379.

It can be written as a sum of positive squares in 2 ways, for example, as 47413756009 + 54607277124 = 217747^2 + 233682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102021033133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102021033133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021033143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836237916 + ... + 836238037.

It is an arithmetic number, because the mean of its divisors is an integer number (25923377287).

Almost surely, 2^102021033133 is an apocalyptic number.

It is an amenable number.

102021033133 is a deficient number, since it is larger than the sum of its proper divisors (1672476015).

102021033133 is an equidigital number, since it uses as much as digits as its factorization.

102021033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672476014.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 102021033133 its reverse (331330120201), we get a palindrome (433351153334).

The spelling of 102021033133 in words is "one hundred two billion, twenty-one million, thirty-three thousand, one hundred thirty-three".