101212212111101 has 32 divisors (see below), whose sum is σ = 125714307290880. Its totient is φ = 79343673970176.

The previous prime is 101212212111089. The next prime is 101212212111151. The reversal of 101212212111101 is 101111212212101.

It is not a de Polignac number, because 101212212111101 - 2⁶ = 101212212111037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101212212111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212212111151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746902385 + ... + 747037881.

It is an arithmetic number, because the mean of its divisors is an integer number (3928572102840).

Almost surely, 2^{101212212111101} is an apocalyptic number.

It is an amenable number.

101212212111101 is a deficient number, since it is larger than the sum of its proper divisors (24502095179779).

101212212111101 is a wasteful number, since it uses less digits than its factorization.

101212212111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210933.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101212212111101 its reverse (101111212212101), we get a palindrome (202323424323202).

The spelling of 101212212111101 in words is "one hundred one trillion, two hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred one".