113121122132 has 12 divisors (see below), whose sum is σ = 198007429620. Its totient is φ = 56547570816.

The previous prime is 113121122131. The next prime is 113121122171. The reversal of 113121122132 is 231221121311.

It can be written as a sum of positive squares in 2 ways, for example, as 109384978756 + 3736143376 = 330734^2 + 61124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113121122131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3227957 + ... + 3262812.

It is an arithmetic number, because the mean of its divisors is an integer number (16500619135).

Almost surely, 2^113121122132 is an apocalyptic number.

It is an amenable number.

113121122132 is a deficient number, since it is larger than the sum of its proper divisors (84886307488).

113121122132 is a wasteful number, since it uses less digits than its factorization.

113121122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495130 (or 6495128 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 113121122132 its reverse (231221121311), we get a palindrome (344342243443).

The spelling of 113121122132 in words is "one hundred thirteen billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty-two".