120001001101 has 2 divisors, whose sum is σ = 120001001102. Its totient is φ = 120001001100.

The previous prime is 120001001069. The next prime is 120001001117. The reversal of 120001001101 is 101100100021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98266575625 + 21734425476 = 313475^2 + 147426^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001001101 - 2⁵ = 120001001069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120001401101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000500550 + 60000500551.

It is an arithmetic number, because the mean of its divisors is an integer number (60000500551).

Almost surely, 2^120001001101 is an apocalyptic number.

It is an amenable number.

120001001101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001001101 is an equidigital number, since it uses as much as digits as its factorization.

120001001101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 120001001101 its reverse (101100100021), we get a palindrome (221101101122).

It can be divided in two parts, 12000 and 1001101, that added together give a palindrome (1013101).

The spelling of 120001001101 in words is "one hundred twenty billion, one million, one thousand, one hundred one".