102021222201 has 4 divisors (see below), whose sum is σ = 136028296272. Its totient is φ = 68014148132.

The previous prime is 102021222187. The next prime is 102021222221. The reversal of 102021222201 is 102222120201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102021222201 - 2¹⁸ = 102020960057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021222221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17003537031 + ... + 17003537036.

It is an arithmetic number, because the mean of its divisors is an integer number (34007074068).

Almost surely, 2^102021222201 is an apocalyptic number.

It is an amenable number.

102021222201 is a deficient number, since it is larger than the sum of its proper divisors (34007074071).

102021222201 is an equidigital number, since it uses as much as digits as its factorization.

102021222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34007074070.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102021222201 its reverse (102222120201), we get a palindrome (204243342402).

The spelling of 102021222201 in words is "one hundred two billion, twenty-one million, two hundred twenty-two thousand, two hundred one".