102002023030121 has 16 divisors (see below), whose sum is σ = 106886639577600. Its totient is φ = 97154918961408.

The previous prime is 102002023030093. The next prime is 102002023030147. The reversal of 102002023030121 is 121030320200201.

It is a cyclic number.

It is not a de Polignac number, because 102002023030121 - 2⁶ = 102002023030057 is a prime.

It is a super-3 number, since 3×102002023030121³ (a number of 43 digits) contains 333 as substring.

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 102002023030121.

It is not an unprimeable number, because it can be changed into a prime (102002023038121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137588525 + ... + 138327893.

It is an arithmetic number, because the mean of its divisors is an integer number (6680414973600).

Almost surely, 2^{102002023030121} is an apocalyptic number.

It is an amenable number.

102002023030121 is a deficient number, since it is larger than the sum of its proper divisors (4884616547479).

102002023030121 is a wasteful number, since it uses less digits than its factorization.

102002023030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764728.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102002023030121 its reverse (121030320200201), we get a palindrome (223032343230322).

The spelling of 102002023030121 in words is "one hundred two trillion, two billion, twenty-three million, thirty thousand, one hundred twenty-one".