120012010211101 has 2 divisors, whose sum is σ = 120012010211102. Its totient is φ = 120012010211100.

The previous prime is 120012010211081. The next prime is 120012010211161. The reversal of 120012010211101 is 101112010210021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65331235535076 + 54680774676025 = 8082774^2 + 7394645^2 .

It is an emirp because it is prime and its reverse (101112010210021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120012010211101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012010211161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006005105550 + 60006005105551.

It is an arithmetic number, because the mean of its divisors is an integer number (60006005105551).

Almost surely, 2^{120012010211101} is an apocalyptic number.

It is an amenable number.

120012010211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012010211101 is an equidigital number, since it uses as much as digits as its factorization.

120012010211101 is an evil number, because the sum of its binary digits is even.

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

Adding to 120012010211101 its reverse (101112010210021), we get a palindrome (221124020421122).

The spelling of 120012010211101 in words is "one hundred twenty trillion, twelve billion, ten million, two hundred eleven thousand, one hundred one".