102021231201 has 16 divisors (see below), whose sum is σ = 139729610304. Its totient is φ = 66164157504.

The previous prime is 102021231199. The next prime is 102021231209. The reversal of 102021231201 is 102132120201.

It is not a de Polignac number, because 102021231201 - 2¹ = 102021231199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021231209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567931 + ... + 725663.

It is an arithmetic number, because the mean of its divisors is an integer number (8733100644).

Almost surely, 2^102021231201 is an apocalyptic number.

It is an amenable number.

102021231201 is a deficient number, since it is larger than the sum of its proper divisors (37708379103).

102021231201 is a wasteful number, since it uses less digits than its factorization.

102021231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163600.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102021231201 its reverse (102132120201), we get a palindrome (204153351402).

The spelling of 102021231201 in words is "one hundred two billion, twenty-one million, two hundred thirty-one thousand, two hundred one".