11212011020211 has 16 divisors (see below), whose sum is σ = 15738278044800. Its totient is φ = 7080315115968.

The previous prime is 11212011020159. The next prime is 11212011020213. The reversal of 11212011020211 is 11202011021211.

It is a happy number.

It is not a de Polignac number, because 11212011020211 - 2⁷ = 11212011020083 is a prime.

It is a super-2 number, since 2×11212011020211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212011020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12837441 + ... + 13682978.

It is an arithmetic number, because the mean of its divisors is an integer number (983642377800).

Almost surely, 2^{11212011020211} is an apocalyptic number.

11212011020211 is a deficient number, since it is larger than the sum of its proper divisors (4526267024589).

11212011020211 is a wasteful number, since it uses less digits than its factorization.

11212011020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26527858.

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

Adding to 11212011020211 its reverse (11202011021211), we get a palindrome (22414022041422).

It can be divided in two parts, 1121201 and 1020211, that added together give a palindrome (2141412).

The spelling of 11212011020211 in words is "eleven trillion, two hundred twelve billion, eleven million, twenty thousand, two hundred eleven".