102223211420 has 24 divisors (see below), whose sum is σ = 234184084848. Its totient is φ = 37172076800.

The previous prime is 102223211413. The next prime is 102223211429. The reversal of 102223211420 is 24112322201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102223211392 and 102223211401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223211429) 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 7 ways as a sum of consecutive naturals, for example, 232325261 + ... + 232325700.

It is an arithmetic number, because the mean of its divisors is an integer number (9757670202).

Almost surely, 2^102223211420 is an apocalyptic number.

102223211420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102223211420 is an abundant number, since it is smaller than the sum of its proper divisors (131960873428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102223211420 is a wasteful number, since it uses less digits than its factorization.

102223211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464650981 (or 464650979 counting only the distinct ones).

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

Adding to 102223211420 its reverse (24112322201), we get a palindrome (126335533621).

The spelling of 102223211420 in words is "one hundred two billion, two hundred twenty-three million, two hundred eleven thousand, four hundred twenty".