101212212111122 has 16 divisors (see below), whose sum is σ = 174545611309440. Its totient is φ = 43116921839328.

The previous prime is 101212212111089. The next prime is 101212212111151. The reversal of 101212212111122 is 221111212212101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101212212111094 and 101212212111103.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 21645038747 + ... + 21645043422.

It is an arithmetic number, because the mean of its divisors is an integer number (10909100706840).

Almost surely, 2^{101212212111122} is an apocalyptic number.

101212212111122 is a deficient number, since it is larger than the sum of its proper divisors (73333399198318).

101212212111122 is a wasteful number, since it uses less digits than its factorization.

101212212111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43290082345.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 101212212111122 its reverse (221111212212101), we get a palindrome (322323424323223).

The spelling of 101212212111122 in words is "one hundred one trillion, two hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty-two".