102221121001 has 4 divisors (see below), whose sum is σ = 102225945232. Its totient is φ = 102216296772.

The previous prime is 102221120959. The next prime is 102221121011. The reversal of 102221121001 is 100121122201.

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 102221121001 - 2³³ = 93631186409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221121011) 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, 2380191 + ... + 2422756.

It is an arithmetic number, because the mean of its divisors is an integer number (25556486308).

Almost surely, 2^102221121001 is an apocalyptic number.

It is an amenable number.

102221121001 is a deficient number, since it is larger than the sum of its proper divisors (4824231).

102221121001 is an equidigital number, since it uses as much as digits as its factorization.

102221121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824230.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102221121001 its reverse (100121122201), we get a palindrome (202342243202).

The spelling of 102221121001 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, one".