123111300102 has 16 divisors (see below), whose sum is σ = 281397257472. Its totient is φ = 35174657160.

The previous prime is 123111300089. The next prime is 123111300119. The reversal of 123111300102 is 201003111321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465610674 + ... + 1465610757.

It is an arithmetic number, because the mean of its divisors is an integer number (17587328592).

Almost surely, 2^123111300102 is an apocalyptic number.

123111300102 is an abundant number, since it is smaller than the sum of its proper divisors (158285957370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123111300102 is a wasteful number, since it uses less digits than its factorization.

123111300102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931221443.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123111300102 its reverse (201003111321), we get a palindrome (324114411423).

The spelling of 123111300102 in words is "one hundred twenty-three billion, one hundred eleven million, three hundred thousand, one hundred two".