102021212112201 has 32 divisors (see below), whose sum is σ = 152067344640000. Its totient is φ = 67598721576144.

The previous prime is 102021212112133. The next prime is 102021212112217. The reversal of 102021212112201 is 102211212120201.

102021212112201 is a `hidden beast` number, since 1 + 0 + 20 + 212 + 1 + 211 + 220 + 1 = 666.

It is not a de Polignac number, because 102021212112201 - 2⁷ = 102021212112073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102021212112221) 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, 5392875 + ... + 15268448.

It is an arithmetic number, because the mean of its divisors is an integer number (4752104520000).

Almost surely, 2^{102021212112201} is an apocalyptic number.

It is an amenable number.

102021212112201 is a deficient number, since it is larger than the sum of its proper divisors (50046132527799).

102021212112201 is a wasteful number, since it uses less digits than its factorization.

102021212112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20662450 (or 20662444 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102021212112201 its reverse (102211212120201), we get a palindrome (204232424232402).

The spelling of 102021212112201 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, one hundred twelve thousand, two hundred one".