1201200101011 has 2 divisors, whose sum is σ = 1201200101012. Its totient is φ = 1201200101010.

The previous prime is 1201200100987. The next prime is 1201200101029. The reversal of 1201200101011 is 1101010021021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201200101011 - 2¹³ = 1201200092819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201200101071) 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, 600600050505 + 600600050506.

It is an arithmetic number, because the mean of its divisors is an integer number (600600050506).

Almost surely, 2^{1201200101011} is an apocalyptic number.

1201200101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201200101011 is an equidigital number, since it uses as much as digits as its factorization.

1201200101011 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 10.

Adding to 1201200101011 its reverse (1101010021021), we get a palindrome (2302210122032).

It can be divided in two parts, 120120010 and 1011, that added together give a palindrome (120121021).

The spelling of 1201200101011 in words is "one trillion, two hundred one billion, two hundred million, one hundred one thousand, eleven".