101201121212111 has 2 divisors, whose sum is σ = 101201121212112. Its totient is φ = 101201121212110.

The previous prime is 101201121211973. The next prime is 101201121212123. The reversal of 101201121212111 is 111212121102101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101201121212111 - 2²² = 101201117017807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101201121212111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101201121212311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600560606055 + 50600560606056.

It is an arithmetic number, because the mean of its divisors is an integer number (50600560606056).

Almost surely, 2^{101201121212111} is an apocalyptic number.

101201121212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201121212111 is an equidigital number, since it uses as much as digits as its factorization.

101201121212111 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 17.

Adding to 101201121212111 its reverse (111212121102101), we get a palindrome (212413242314212).

The spelling of 101201121212111 in words is "one hundred one trillion, two hundred one billion, one hundred twenty-one million, two hundred twelve thousand, one hundred eleven".