102021022223 has 4 divisors (see below), whose sum is σ = 102139790280. Its totient is φ = 101902254168.

The previous prime is 102021022171. The next prime is 102021022249. The reversal of 102021022223 is 322220120201.

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 102021022223 - 2⁸ = 102021021967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021022273) 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, 59382740 + ... + 59384457.

It is an arithmetic number, because the mean of its divisors is an integer number (25534947570).

Almost surely, 2^102021022223 is an apocalyptic number.

102021022223 is a deficient number, since it is larger than the sum of its proper divisors (118768057).

102021022223 is an equidigital number, since it uses as much as digits as its factorization.

102021022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118768056.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102021022223 its reverse (322220120201), we get a palindrome (424241142424).

The spelling of 102021022223 in words is "one hundred two billion, twenty-one million, twenty-two thousand, two hundred twenty-three".