2134512221125 has 16 divisors (see below), whose sum is σ = 2707541282160. Its totient is φ = 1679616168000.

The previous prime is 2134512221111. The next prime is 2134512221131. The reversal of 2134512221125 is 5211222154312.

It can be written as a sum of positive squares in 8 ways, for example, as 1321483595364 + 813028625761 = 1149558^2 + 901681^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2134512221125 is a prime.

It is a super-2 number, since 2×2134512221125² (a number of 25 digits) contains 22 as substring.

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, 139960390 + ... + 139975639.

It is an arithmetic number, because the mean of its divisors is an integer number (169221330135).

Almost surely, 2^{2134512221125} is an apocalyptic number.

2134512221125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2134512221125 is a deficient number, since it is larger than the sum of its proper divisors (573029061035).

2134512221125 is an equidigital number, since it uses as much as digits as its factorization.

2134512221125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279936105 (or 279936095 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

Adding to 2134512221125 its reverse (5211222154312), we get a palindrome (7345734375437).

The spelling of 2134512221125 in words is "two trillion, one hundred thirty-four billion, five hundred twelve million, two hundred twenty-one thousand, one hundred twenty-five".