102001123323120 has 80 divisors (see below), whose sum is σ = 361375408350720. Its totient is φ = 23314542473472.

The previous prime is 102001123323049. The next prime is 102001123323131. The reversal of 102001123323120 is 21323321100201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30357475500 + ... + 30357478859.

It is an arithmetic number, because the mean of its divisors is an integer number (4517192604384).

Almost surely, 2^{102001123323120} is an apocalyptic number.

102001123323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001123323120 is an abundant number, since it is smaller than the sum of its proper divisors (259374285027600).

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

102001123323120 is a wasteful number, since it uses less digits than its factorization.

102001123323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60714954382 (or 60714954376 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 102001123323120 its reverse (21323321100201), we get a palindrome (123324444423321).

The spelling of 102001123323120 in words is "one hundred two trillion, one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred twenty".