102231312321211 has 16 divisors (see below), whose sum is σ = 103717161502848. Its totient is φ = 100747782720000.

The previous prime is 102231312321167. The next prime is 102231312321223. The reversal of 102231312321211 is 112123213132201.

It is a cyclic number.

It is not a de Polignac number, because 102231312321211 - 2¹¹ = 102231312319163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102231312325211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840618101 + ... + 1840673641.

It is an arithmetic number, because the mean of its divisors is an integer number (6482322593928).

Almost surely, 2^{102231312321211} is an apocalyptic number.

102231312321211 is a deficient number, since it is larger than the sum of its proper divisors (1485849181637).

102231312321211 is a wasteful number, since it uses less digits than its factorization.

102231312321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75942.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 102231312321211 its reverse (112123213132201), we get a palindrome (214354525453412).

The spelling of 102231312321211 in words is "one hundred two trillion, two hundred thirty-one billion, three hundred twelve million, three hundred twenty-one thousand, two hundred eleven".