1202110211011 has 2 divisors, whose sum is σ = 1202110211012. Its totient is φ = 1202110211010.

The previous prime is 1202110211009. The next prime is 1202110211021. The reversal of 1202110211011 is 1101120112021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202110211011 - 2¹ = 1202110211009 is a prime.

Together with 1202110211009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1202110210982 and 1202110211000.

It is not a weakly prime, because it can be changed into another prime (1202110211021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601055105505 + 601055105506.

It is an arithmetic number, because the mean of its divisors is an integer number (601055105506).

Almost surely, 2^{1202110211011} is an apocalyptic number.

1202110211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202110211011 is an equidigital number, since it uses as much as digits as its factorization.

1202110211011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1202110211011 its reverse (1101120112021), we get a palindrome (2303230323032).

The spelling of 1202110211011 in words is "one trillion, two hundred two billion, one hundred ten million, two hundred eleven thousand, eleven".