102001123110 has 128 divisors (see below), whose sum is σ = 256233922560. Its totient is φ = 25956864000.

The previous prime is 102001123109. The next prime is 102001123153. The reversal of 102001123110 is 11321100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24701526 + ... + 24705654.

It is an arithmetic number, because the mean of its divisors is an integer number (2001827520).

Almost surely, 2^102001123110 is an apocalyptic number.

102001123110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102001123110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128116961280).

102001123110 is an abundant number, since it is smaller than the sum of its proper divisors (154232799450).

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

102001123110 is a wasteful number, since it uses less digits than its factorization.

102001123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 102001123110 its reverse (11321100201), we get a palindrome (113322223311).

The spelling of 102001123110 in words is "one hundred two billion, one million, one hundred twenty-three thousand, one hundred ten".