102212210310321 has 32 divisors (see below), whose sum is σ = 145235775172608. Its totient is φ = 63791238487680.

The previous prime is 102212210310319. The next prime is 102212210310401. The reversal of 102212210310321 is 123013012212201.

It is not a de Polignac number, because 102212210310321 - 2¹ = 102212210310319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102212210310311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382725366 + ... + 382992336.

It is an arithmetic number, because the mean of its divisors is an integer number (4538617974144).

Almost surely, 2^{102212210310321} is an apocalyptic number.

It is an amenable number.

102212210310321 is a deficient number, since it is larger than the sum of its proper divisors (43023564862287).

102212210310321 is a wasteful number, since it uses less digits than its factorization.

102212210310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385101.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102212210310321 its reverse (123013012212201), we get a palindrome (225225222522522).

The spelling of 102212210310321 in words is "one hundred two trillion, two hundred twelve billion, two hundred ten million, three hundred ten thousand, three hundred twenty-one".