101212201122122 has 4 divisors (see below), whose sum is σ = 151818301683186. Its totient is φ = 50606100561060.

The previous prime is 101212201122121. The next prime is 101212201122167. The reversal of 101212201122122 is 221221102212101.

101212201122122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94470799112881 + 6741402009241 = 9719609^2 + 2596421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101212201122094 and 101212201122103.

It is not an unprimeable number, because it can be changed into a prime (101212201122121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25303050280529 + ... + 25303050280532.

Almost surely, 2^{101212201122122} is an apocalyptic number.

101212201122122 is a deficient number, since it is larger than the sum of its proper divisors (50606100561064).

101212201122122 is an equidigital number, since it uses as much as digits as its factorization.

101212201122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50606100561063.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101212201122122 its reverse (221221102212101), we get a palindrome (322433303334223).

The spelling of 101212201122122 in words is "one hundred one trillion, two hundred twelve billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-two".