1201120110101 has 2 divisors, whose sum is σ = 1201120110102. Its totient is φ = 1201120110100.

The previous prime is 1201120110011. The next prime is 1201120110103. The reversal of 1201120110101 is 1010110211021.

Together with previous prime (1201120110011) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196291250001 + 4828860100 = 1093751^2 + 69490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201120110101 is a prime.

Together with 1201120110103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201120110103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600560055050 + 600560055051.

It is an arithmetic number, because the mean of its divisors is an integer number (600560055051).

Almost surely, 2^{1201120110101} is an apocalyptic number.

It is an amenable number.

1201120110101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201120110101 is an equidigital number, since it uses as much as digits as its factorization.

1201120110101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201120110101 its reverse (1010110211021), we get a palindrome (2211230321122).

The spelling of 1201120110101 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred ten thousand, one hundred one".