11211011201211 has 16 divisors (see below), whose sum is σ = 15152999352480. Its totient is φ = 7371518192640.

The previous prime is 11211011201171. The next prime is 11211011201219. The reversal of 11211011201211 is 11210211011211.

It is not a de Polignac number, because 11211011201211 - 2¹¹ = 11211011199163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211011201219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16780855 + ... + 17436143.

It is an arithmetic number, because the mean of its divisors is an integer number (947062459530).

Almost surely, 2^{11211011201211} is an apocalyptic number.

11211011201211 is a deficient number, since it is larger than the sum of its proper divisors (3941988151269).

11211011201211 is an equidigital number, since it uses as much as digits as its factorization.

11211011201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733486.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11211011201211 its reverse (11210211011211), we get a palindrome (22421222212422).

The spelling of 11211011201211 in words is "eleven trillion, two hundred eleven billion, eleven million, two hundred one thousand, two hundred eleven".