1210211110211 has 8 divisors (see below), whose sum is σ = 1262853815040. Its totient is φ = 1157570474632.

The previous prime is 1210211110123. The next prime is 1210211110231. The reversal of 1210211110211 is 1120111120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210211110211 - 2³⁸ = 935333203267 is a prime.

It is a super-2 number, since 2×1210211110211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210211110231) 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 in 7 ways as a sum of consecutive naturals, for example, 743216 + ... + 1724178.

It is an arithmetic number, because the mean of its divisors is an integer number (157856726880).

Almost surely, 2^{1210211110211} is an apocalyptic number.

1210211110211 is a deficient number, since it is larger than the sum of its proper divisors (52642704829).

1210211110211 is an equidigital number, since it uses as much as digits as its factorization.

1210211110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034625.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1210211110211 its reverse (1120111120121), we get a palindrome (2330322230332).

The spelling of 1210211110211 in words is "one trillion, two hundred ten billion, two hundred eleven million, one hundred ten thousand, two hundred eleven".