113122002122 has 4 divisors (see below), whose sum is σ = 169683003186. Its totient is φ = 56561001060.

The previous prime is 113122002053. The next prime is 113122002127. The reversal of 113122002122 is 221200221311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221200221311 = 197 ⋅1122843763.

It can be written as a sum of positive squares in only one way, i.e., 112896672001 + 225330121 = 336001^2 + 15011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113122002122.

It is not an unprimeable number, because it can be changed into a prime (113122002127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28280500529 + ... + 28280500532.

Almost surely, 2^113122002122 is an apocalyptic number.

113122002122 is a deficient number, since it is larger than the sum of its proper divisors (56561001064).

113122002122 is an equidigital number, since it uses as much as digits as its factorization.

113122002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56561001063.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 113122002122 its reverse (221200221311), we get a palindrome (334322223433).

The spelling of 113122002122 in words is "one hundred thirteen billion, one hundred twenty-two million, two thousand, one hundred twenty-two".