102022210201221 has 16 divisors (see below), whose sum is σ = 151348540196800. Its totient is φ = 67922770513104.

The previous prime is 102022210201213. The next prime is 102022210201231. The reversal of 102022210201221 is 122102012220201.

It is a happy number.

102022210201221 is a `hidden beast` number, since 1 + 0 + 20 + 2 + 221 + 0 + 201 + 221 = 666.

It is not a de Polignac number, because 102022210201221 - 2³ = 102022210201213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102022210201194 and 102022210201203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022210201201) 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 15 ways as a sum of consecutive naturals, for example, 2556543226 + ... + 2556583131.

It is an arithmetic number, because the mean of its divisors is an integer number (9459283762300).

Almost surely, 2^{102022210201221} is an apocalyptic number.

It is an amenable number.

102022210201221 is a deficient number, since it is larger than the sum of its proper divisors (49326329995579).

102022210201221 is an equidigital number, since it uses as much as digits as its factorization.

102022210201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113127105 (or 5113127099 counting only the distinct ones).

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

Adding to 102022210201221 its reverse (122102012220201), we get a palindrome (224124222421422).

The spelling of 102022210201221 in words is "one hundred two trillion, twenty-two billion, two hundred ten million, two hundred one thousand, two hundred twenty-one".