120202111125 has 24 divisors (see below), whose sum is σ = 216684341016. Its totient is φ = 64107792000.

The previous prime is 120202111111. The next prime is 120202111171. The reversal of 120202111125 is 521111202021.

It can be written as a sum of positive squares in 4 ways, for example, as 28460364804 + 91741746321 = 168702^2 + 302889^2 .

It is not a de Polignac number, because 120202111125 - 2¹⁰ = 120202110101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120202111098 and 120202111107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53422036 + ... + 53424285.

It is an arithmetic number, because the mean of its divisors is an integer number (9028514209).

Almost surely, 2^120202111125 is an apocalyptic number.

120202111125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120202111125 is a deficient number, since it is larger than the sum of its proper divisors (96482229891).

120202111125 is a wasteful number, since it uses less digits than its factorization.

120202111125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106846342 (or 106846329 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 120202111125 its reverse (521111202021), we get a palindrome (641313313146).

The spelling of 120202111125 in words is "one hundred twenty billion, two hundred two million, one hundred eleven thousand, one hundred twenty-five".