102000323143221 has 4 divisors (see below), whose sum is σ = 136000430857632. Its totient is φ = 68000215428812.

The previous prime is 102000323143193. The next prime is 102000323143241. The reversal of 102000323143221 is 122341323000201.

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 102000323143221 - 2²¹ = 102000321046069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102000323143191 and 102000323143200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000323143241) 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, 17000053857201 + ... + 17000053857206.

It is an arithmetic number, because the mean of its divisors is an integer number (34000107714408).

Almost surely, 2^{102000323143221} is an apocalyptic number.

It is an amenable number.

102000323143221 is a deficient number, since it is larger than the sum of its proper divisors (34000107714411).

102000323143221 is an equidigital number, since it uses as much as digits as its factorization.

102000323143221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34000107714410.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 102000323143221 its reverse (122341323000201), we get a palindrome (224341646143422).

The spelling of 102000323143221 in words is "one hundred two trillion, three hundred twenty-three million, one hundred forty-three thousand, two hundred twenty-one".