11210201201211 has 4 divisors (see below), whose sum is σ = 14946934934952. Its totient is φ = 7473467467472.

The previous prime is 11210201201189. The next prime is 11210201201261. The reversal of 11210201201211 is 11210210201211.

It is a happy number.

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 11210201201211 - 2⁹ = 11210201200699 is a prime.

It is a super-2 number, since 2×11210201201211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11210201201261) 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, 1868366866866 + ... + 1868366866871.

It is an arithmetic number, because the mean of its divisors is an integer number (3736733733738).

Almost surely, 2^{11210201201211} is an apocalyptic number.

11210201201211 is a deficient number, since it is larger than the sum of its proper divisors (3736733733741).

11210201201211 is an equidigital number, since it uses as much as digits as its factorization.

11210201201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736733733740.

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

Adding to 11210201201211 its reverse (11210210201211), we get a palindrome (22420411402422).

Subtracting 11210201201211 from its reverse (11210210201211), we obtain a square (9000000 = 3000²).

The spelling of 11210201201211 in words is "eleven trillion, two hundred ten billion, two hundred one million, two hundred one thousand, two hundred eleven".