102021001201 has 12 divisors (see below), whose sum is σ = 124923676080. Its totient is φ = 82844120520.

The previous prime is 102021001151. The next prime is 102021001213. The reversal of 102021001201 is 102100120201.

It is not a de Polignac number, because 102021001201 - 2⁷ = 102021001073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021041201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54790155 + ... + 54792016.

It is an arithmetic number, because the mean of its divisors is an integer number (10410306340).

Almost surely, 2^102021001201 is an apocalyptic number.

It is an amenable number.

102021001201 is a deficient number, since it is larger than the sum of its proper divisors (22902674879).

102021001201 is a wasteful number, since it uses less digits than its factorization.

102021001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109582204 (or 109582197 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102021001201 its reverse (102100120201), we get a palindrome (204121121402).

The spelling of 102021001201 in words is "one hundred two billion, twenty-one million, one thousand, two hundred one".