102210331123 has 4 divisors (see below), whose sum is σ = 108222703560. Its totient is φ = 96197958688.

The previous prime is 102210331121. The next prime is 102210331163. The reversal of 102210331123 is 321133012201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102210331123 - 2¹ = 102210331121 is a prime.

It is a super-2 number, since 2×102210331123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102210331123.

It is not an unprimeable number, because it can be changed into a prime (102210331121) 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, 3006186193 + ... + 3006186226.

It is an arithmetic number, because the mean of its divisors is an integer number (27055675890).

Almost surely, 2^102210331123 is an apocalyptic number.

102210331123 is a deficient number, since it is larger than the sum of its proper divisors (6012372437).

102210331123 is an equidigital number, since it uses as much as digits as its factorization.

102210331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012372436.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102210331123 its reverse (321133012201), we get a palindrome (423343343324).

The spelling of 102210331123 in words is "one hundred two billion, two hundred ten million, three hundred thirty-one thousand, one hundred twenty-three".