102123231211 has 8 divisors (see below), whose sum is σ = 105429104000. Its totient is φ = 98818081920.

The previous prime is 102123231193. The next prime is 102123231239. The reversal of 102123231211 is 112132321201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102123231211 - 2¹¹ = 102123229163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102123231241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113635 + ... + 466003.

It is an arithmetic number, because the mean of its divisors is an integer number (13178638000).

Almost surely, 2^102123231211 is an apocalyptic number.

102123231211 is a deficient number, since it is larger than the sum of its proper divisors (3305872789).

102123231211 is an equidigital number, since it uses as much as digits as its factorization.

102123231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361749.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102123231211 its reverse (112132321201), we get a palindrome (214255552412).

It can be divided in two parts, 10212 and 3231211, that added together give a palindrome (3241423).

The spelling of 102123231211 in words is "one hundred two billion, one hundred twenty-three million, two hundred thirty-one thousand, two hundred eleven".