102021221202201 has 48 divisors (see below), whose sum is σ = 172306057996800. Its totient is φ = 56966492104704.

The previous prime is 102021221202191. The next prime is 102021221202233. The reversal of 102021221202201 is 102202122120201.

It is a happy number.

102021221202201 is a `hidden beast` number, since 1 + 0 + 20 + 21 + 221 + 202 + 201 = 666.

It is not a de Polignac number, because 102021221202201 - 2⁶ = 102021221202137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021221202001) 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 47 ways as a sum of consecutive naturals, for example, 105179796 + ... + 106145333.

It is an arithmetic number, because the mean of its divisors is an integer number (3589709541600).

Almost surely, 2^{102021221202201} is an apocalyptic number.

It is an amenable number.

102021221202201 is a deficient number, since it is larger than the sum of its proper divisors (70284836794599).

102021221202201 is a wasteful number, since it uses less digits than its factorization.

102021221202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211325318 (or 211325315 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102021221202201 its reverse (102202122120201), we get a palindrome (204223343322402).

The spelling of 102021221202201 in words is "one hundred two trillion, twenty-one billion, two hundred twenty-one million, two hundred two thousand, two hundred one".