1202100111011 has 2 divisors, whose sum is σ = 1202100111012. Its totient is φ = 1202100111010.

The previous prime is 1202100111001. The next prime is 1202100111013. The reversal of 1202100111011 is 1101110012021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202100111011 - 2⁶ = 1202100110947 is a prime.

Together with 1202100111013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202100110983 and 1202100111001.

It is not a weakly prime, because it can be changed into another prime (1202100111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601050055505 + 601050055506.

It is an arithmetic number, because the mean of its divisors is an integer number (601050055506).

Almost surely, 2^{1202100111011} is an apocalyptic number.

1202100111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202100111011 is an equidigital number, since it uses as much as digits as its factorization.

1202100111011 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 1202100111011 its reverse (1101110012021), we get a palindrome (2303210123032).

The spelling of 1202100111011 in words is "one trillion, two hundred two billion, one hundred million, one hundred eleven thousand, eleven".