1210201211211 has 8 divisors (see below), whose sum is σ = 1614177706704. Its totient is φ = 806512761600.

The previous prime is 1210201211183. The next prime is 1210201211251. The reversal of 1210201211211 is 1121121020121.

It is a happy number.

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

It is not a de Polignac number, because 1210201211211 - 2¹⁴ = 1210201194827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210201211251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72001666 + ... + 72018471.

It is an arithmetic number, because the mean of its divisors is an integer number (201772213338).

Almost surely, 2^{1210201211211} is an apocalyptic number.

1210201211211 is a deficient number, since it is larger than the sum of its proper divisors (403976495493).

1210201211211 is a wasteful number, since it uses less digits than its factorization.

1210201211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144022941.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1210201211211 its reverse (1121121020121), we get a palindrome (2331322231332).

The spelling of 1210201211211 in words is "one trillion, two hundred ten billion, two hundred one million, two hundred eleven thousand, two hundred eleven".