102212232103221 has 4 divisors (see below), whose sum is σ = 136282976137632. Its totient is φ = 68141488068812.

The previous prime is 102212232103147. The next prime is 102212232103249. The reversal of 102212232103221 is 122301232212201.

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 102212232103221 - 2⁹ = 102212232102709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102212232103191 and 102212232103200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212232108221) 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, 17035372017201 + ... + 17035372017206.

It is an arithmetic number, because the mean of its divisors is an integer number (34070744034408).

Almost surely, 2^{102212232103221} is an apocalyptic number.

It is an amenable number.

102212232103221 is a deficient number, since it is larger than the sum of its proper divisors (34070744034411).

102212232103221 is an equidigital number, since it uses as much as digits as its factorization.

102212232103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34070744034410.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102212232103221 its reverse (122301232212201), we get a palindrome (224513464315422).

The spelling of 102212232103221 in words is "one hundred two trillion, two hundred twelve billion, two hundred thirty-two million, one hundred three thousand, two hundred twenty-one".