11211210202011 has 8 divisors (see below), whose sum is σ = 14948945288784. Its totient is φ = 7473807624960.

The previous prime is 11211210201859. The next prime is 11211210202133. The reversal of 11211210202011 is 11020201211211.

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 11211210202011 - 2¹³ = 11211210193819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211210202811) 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, 83048746 + ... + 83183631.

It is an arithmetic number, because the mean of its divisors is an integer number (1868618161098).

Almost surely, 2^{11211210202011} is an apocalyptic number.

11211210202011 is a deficient number, since it is larger than the sum of its proper divisors (3737735086773).

11211210202011 is a wasteful number, since it uses less digits than its factorization.

11211210202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166254861.

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

Adding to 11211210202011 its reverse (11020201211211), we get a palindrome (22231411413222).

The spelling of 11211210202011 in words is "eleven trillion, two hundred eleven billion, two hundred ten million, two hundred two thousand, eleven".