102111330030 has 128 divisors (see below), whose sum is σ = 255943618560. Its totient is φ = 26052810240.

The previous prime is 102111330019. The next prime is 102111330047. The reversal of 102111330030 is 30033111201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 102111329991 and 102111330009.

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, 14360116 + ... + 14367224.

It is an arithmetic number, because the mean of its divisors is an integer number (1999559520).

Almost surely, 2^102111330030 is an apocalyptic number.

102111330030 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 102111330030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127971809280).

102111330030 is an abundant number, since it is smaller than the sum of its proper divisors (153832288530).

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

102111330030 is a wasteful number, since it uses less digits than its factorization.

102111330030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 102111330030 its reverse (30033111201), we get a palindrome (132144441231).

The spelling of 102111330030 in words is "one hundred two billion, one hundred eleven million, three hundred thirty thousand, thirty".