101212201120111 has 2 divisors, whose sum is σ = 101212201120112. Its totient is φ = 101212201120110.

The previous prime is 101212201120099. The next prime is 101212201120117. The reversal of 101212201120111 is 111021102212101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101212201120111 - 2²¹ = 101212199022959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101212201120117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606100560055 + 50606100560056.

It is an arithmetic number, because the mean of its divisors is an integer number (50606100560056).

Almost surely, 2^{101212201120111} is an apocalyptic number.

101212201120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212201120111 is an equidigital number, since it uses as much as digits as its factorization.

101212201120111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 101212201120111 its reverse (111021102212101), we get a palindrome (212233303332212).

The spelling of 101212201120111 in words is "one hundred one trillion, two hundred twelve billion, two hundred one million, one hundred twenty thousand, one hundred eleven".