2102102221223 has 4 divisors (see below), whose sum is σ = 2106383488968. Its totient is φ = 2097820953480.

The previous prime is 2102102221199. The next prime is 2102102221231. The reversal of 2102102221223 is 3221222012012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102102221223 - 2¹⁶ = 2102102155687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102102221195 and 2102102221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102102221523) 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 3 ways as a sum of consecutive naturals, for example, 2140633136 + ... + 2140634117.

It is an arithmetic number, because the mean of its divisors is an integer number (526595872242).

Almost surely, 2^{2102102221223} is an apocalyptic number.

2102102221223 is a deficient number, since it is larger than the sum of its proper divisors (4281267745).

2102102221223 is an equidigital number, since it uses as much as digits as its factorization.

2102102221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281267744.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2102102221223 its reverse (3221222012012), we get a palindrome (5323324233235).

The spelling of 2102102221223 in words is "two trillion, one hundred two billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-three".