1210202201211 has 4 divisors (see below), whose sum is σ = 1613602934952. Its totient is φ = 806801467472.

The previous prime is 1210202201147. The next prime is 1210202201261. The reversal of 1210202201211 is 1121022020121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210202201211 - 2⁶ = 1210202201147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210202201261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201700366866 + ... + 201700366871.

It is an arithmetic number, because the mean of its divisors is an integer number (403400733738).

Almost surely, 2^{1210202201211} is an apocalyptic number.

1210202201211 is a deficient number, since it is larger than the sum of its proper divisors (403400733741).

1210202201211 is an equidigital number, since it uses as much as digits as its factorization.

1210202201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403400733740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210202201211 its reverse (1121022020121), we get a palindrome (2331224221332).

The spelling of 1210202201211 in words is "one trillion, two hundred ten billion, two hundred two million, two hundred one thousand, two hundred eleven".