102030111120 has 160 divisors (see below), whose sum is σ = 365057706240. Its totient is φ = 23090227200.

The previous prime is 102030111107. The next prime is 102030111121. The reversal of 102030111120 is 21111030201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102030111096 and 102030111105.

It is not an unprimeable number, because it can be changed into a prime (102030111121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130975 + ... + 470334.

It is an arithmetic number, because the mean of its divisors is an integer number (2281610664).

Almost surely, 2^102030111120 is an apocalyptic number.

102030111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102030111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182528853120).

102030111120 is an abundant number, since it is smaller than the sum of its proper divisors (263027595120).

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

102030111120 is a wasteful number, since it uses less digits than its factorization.

102030111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601433 (or 601427 counting only the distinct ones).

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

Adding to 102030111120 its reverse (21111030201), we get a palindrome (123141141321).

The spelling of 102030111120 in words is "one hundred two billion, thirty million, one hundred eleven thousand, one hundred twenty".