102223120021 has 8 divisors (see below), whose sum is σ = 111994743744. Its totient is φ = 92531265120.

The previous prime is 102223119991. The next prime is 102223120037. The reversal of 102223120021 is 120021322201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102223120021 - 2⁷ = 102223119893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102223119977 and 102223120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223120061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19939521 + ... + 19944646.

It is an arithmetic number, because the mean of its divisors is an integer number (13999342968).

Almost surely, 2^102223120021 is an apocalyptic number.

102223120021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102223120021 is a deficient number, since it is larger than the sum of its proper divisors (9771623723).

102223120021 is a wasteful number, since it uses less digits than its factorization.

102223120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39884411.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102223120021 its reverse (120021322201), we get a palindrome (222244442222).

The spelling of 102223120021 in words is "one hundred two billion, two hundred twenty-three million, one hundred twenty thousand, twenty-one".