123310021102 has 4 divisors (see below), whose sum is σ = 184965031656. Its totient is φ = 61655010550.

The previous prime is 123310021099. The next prime is 123310021157. The reversal of 123310021102 is 201120013321.

123310021102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×123310021102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30827505274 + ... + 30827505277.

It is an arithmetic number, because the mean of its divisors is an integer number (46241257914).

Almost surely, 2^123310021102 is an apocalyptic number.

123310021102 is a deficient number, since it is larger than the sum of its proper divisors (61655010554).

123310021102 is an equidigital number, since it uses as much as digits as its factorization.

123310021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61655010553.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123310021102 its reverse (201120013321), we get a palindrome (324430034423).

The spelling of 123310021102 in words is "one hundred twenty-three billion, three hundred ten million, twenty-one thousand, one hundred two".