11211002012211 has 16 divisors (see below), whose sum is σ = 15006749551488. Its totient is φ = 7444630169600.

The previous prime is 11211002012201. The next prime is 11211002012227. The reversal of 11211002012211 is 11221020011211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11211002012211 - 2¹⁷ = 11211001881139 is a prime.

It is a super-2 number, since 2×11211002012211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11211002012201) 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, 20556316 + ... + 21094646.

It is an arithmetic number, because the mean of its divisors is an integer number (937921846968).

Almost surely, 2^{11211002012211} is an apocalyptic number.

11211002012211 is a deficient number, since it is larger than the sum of its proper divisors (3795747539277).

11211002012211 is a wasteful number, since it uses less digits than its factorization.

11211002012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565602.

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

Adding to 11211002012211 its reverse (11221020011211), we get a palindrome (22432022023422).

The spelling of 11211002012211 in words is "eleven trillion, two hundred eleven billion, two million, twelve thousand, two hundred eleven".