102002112021201 has 32 divisors (see below), whose sum is σ = 159464422656000. Its totient is φ = 56778998344320.

The previous prime is 102002112021127. The next prime is 102002112021233. The reversal of 102002112021201 is 102120211200201.

It is not a de Polignac number, because 102002112021201 - 2²¹ = 102002109924049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102002112022201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89318301 + ... + 90453098.

It is an arithmetic number, because the mean of its divisors is an integer number (4983263208000).

Almost surely, 2^{102002112021201} is an apocalyptic number.

It is an amenable number.

102002112021201 is a deficient number, since it is larger than the sum of its proper divisors (57462310634799).

102002112021201 is a wasteful number, since it uses less digits than its factorization.

102002112021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179772109.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102002112021201 its reverse (102120211200201), we get a palindrome (204122323221402).

The spelling of 102002112021201 in words is "one hundred two trillion, two billion, one hundred twelve million, twenty-one thousand, two hundred one".