101212200001111 has 4 divisors (see below), whose sum is σ = 101940345325000. Its totient is φ = 100484054677224.

The previous prime is 101212200001109. The next prime is 101212200001139. The reversal of 101212200001111 is 111100002212101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101212200001111 - 2¹ = 101212200001109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101212200001091 and 101212200001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212200001141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364072661736 + ... + 364072662013.

It is an arithmetic number, because the mean of its divisors is an integer number (25485086331250).

Almost surely, 2^{101212200001111} is an apocalyptic number.

101212200001111 is a deficient number, since it is larger than the sum of its proper divisors (728145323889).

101212200001111 is an equidigital number, since it uses as much as digits as its factorization.

101212200001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728145323888.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101212200001111 its reverse (111100002212101), we get a palindrome (212312202213212).

The spelling of 101212200001111 in words is "one hundred one trillion, two hundred twelve billion, two hundred million, one thousand, one hundred eleven".