102033023021 has 4 divisors (see below), whose sum is σ = 102295319100. Its totient is φ = 101770726944.

The previous prime is 102033023011. The next prime is 102033023069. The reversal of 102033023021 is 120320330201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30621150121 + 71411872900 = 174989^2 + 267230^2 .

It is a cyclic number.

It is not a de Polignac number, because 102033023021 - 2²⁶ = 101965914157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102033023011) 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, 131147456 + ... + 131148233.

It is an arithmetic number, because the mean of its divisors is an integer number (25573829775).

Almost surely, 2^102033023021 is an apocalyptic number.

It is an amenable number.

102033023021 is a deficient number, since it is larger than the sum of its proper divisors (262296079).

102033023021 is an equidigital number, since it uses as much as digits as its factorization.

102033023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262296078.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 102033023021 its reverse (120320330201), we get a palindrome (222353353222).

The spelling of 102033023021 in words is "one hundred two billion, thirty-three million, twenty-three thousand, twenty-one".