1210220102211 has 4 divisors (see below), whose sum is σ = 1613626802952. Its totient is φ = 806813401472.

The previous prime is 1210220102191. The next prime is 1210220102249. The reversal of 1210220102211 is 1122010220121.

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 1210220102211 - 2²⁹ = 1209683231299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210220102711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201703350366 + ... + 201703350371.

It is an arithmetic number, because the mean of its divisors is an integer number (403406700738).

Almost surely, 2^{1210220102211} is an apocalyptic number.

1210220102211 is a deficient number, since it is larger than the sum of its proper divisors (403406700741).

1210220102211 is an equidigital number, since it uses as much as digits as its factorization.

1210220102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403406700740.

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

Adding to 1210220102211 its reverse (1122010220121), we get a palindrome (2332230322332).

The spelling of 1210220102211 in words is "one trillion, two hundred ten billion, two hundred twenty million, one hundred two thousand, two hundred eleven".