102110100220321 has 4 divisors (see below), whose sum is σ = 102198814470144. Its totient is φ = 102021385970500.

The previous prime is 102110100220283. The next prime is 102110100220351. The reversal of 102110100220321 is 123022001011201.

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 102110100220321 - 2²¹ = 102110098123169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102110100220295 and 102110100220304.

It is not an unprimeable number, because it can be changed into a prime (102110100220351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44357123185 + ... + 44357125486.

It is an arithmetic number, because the mean of its divisors is an integer number (25549703617536).

Almost surely, 2^{102110100220321} is an apocalyptic number.

It is an amenable number.

102110100220321 is a deficient number, since it is larger than the sum of its proper divisors (88714249823).

102110100220321 is an equidigital number, since it uses as much as digits as its factorization.

102110100220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88714249822.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102110100220321 its reverse (123022001011201), we get a palindrome (225132101231522).

The spelling of 102110100220321 in words is "one hundred two trillion, one hundred ten billion, one hundred million, two hundred twenty thousand, three hundred twenty-one".