125121211114 has 16 divisors (see below), whose sum is σ = 198753921288. Its totient is φ = 58871089152.

The previous prime is 125121211099. The next prime is 125121211123. The reversal of 125121211114 is 411112121521.

It can be written as a sum of positive squares in 4 ways, for example, as 124965785025 + 155426089 = 353505^2 + 12467^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79719 + ... + 506554.

Almost surely, 2^125121211114 is an apocalyptic number.

125121211114 is a deficient number, since it is larger than the sum of its proper divisors (73632710174).

125121211114 is a wasteful number, since it uses less digits than its factorization.

125121211114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592569.

The product of its digits is 160, while the sum is 22.

Adding to 125121211114 its reverse (411112121521), we get a palindrome (536233332635).

The spelling of 125121211114 in words is "one hundred twenty-five billion, one hundred twenty-one million, two hundred eleven thousand, one hundred fourteen".