1202101021211 has 2 divisors, whose sum is σ = 1202101021212. Its totient is φ = 1202101021210.

The previous prime is 1202101021189. The next prime is 1202101021213. The reversal of 1202101021211 is 1121201012021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202101021211 - 2¹⁰ = 1202101020187 is a prime.

Together with 1202101021213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1202101021213) 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, 601050510605 + 601050510606.

It is an arithmetic number, because the mean of its divisors is an integer number (601050510606).

Almost surely, 2^{1202101021211} is an apocalyptic number.

1202101021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202101021211 is an equidigital number, since it uses as much as digits as its factorization.

1202101021211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1202101021211 its reverse (1121201012021), we get a palindrome (2323302033232).

The spelling of 1202101021211 in words is "one trillion, two hundred two billion, one hundred one million, twenty-one thousand, two hundred eleven".