102223130012221 has 4 divisors (see below), whose sum is σ = 102223164986272. Its totient is φ = 102223095038172.

The previous prime is 102223130012203. The next prime is 102223130012249. The reversal of 102223130012221 is 122210031322201.

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 102223130012221 - 2³⁷ = 102085691058749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102223130012192 and 102223130012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223130012261) 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, 12658335 + ... + 19096588.

It is an arithmetic number, because the mean of its divisors is an integer number (25555791246568).

Almost surely, 2^{102223130012221} is an apocalyptic number.

It is an amenable number.

102223130012221 is a deficient number, since it is larger than the sum of its proper divisors (34974051).

102223130012221 is an equidigital number, since it uses as much as digits as its factorization.

102223130012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34974050.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102223130012221 its reverse (122210031322201), we get a palindrome (224433161334422).

The spelling of 102223130012221 in words is "one hundred two trillion, two hundred twenty-three billion, one hundred thirty million, twelve thousand, two hundred twenty-one".