11221011202011 has 16 divisors (see below), whose sum is σ = 16667815049760. Its totient is φ = 6667126018560.

The previous prime is 11221011201931. The next prime is 11221011202013. The reversal of 11221011202011 is 11020211012211.

It is a happy number.

It is not a de Polignac number, because 11221011202011 - 2¹⁵ = 11221011169243 is a prime.

It is a super-2 number, since 2×11221011202011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221011202013) 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, 4960658110 + ... + 4960660371.

It is an arithmetic number, because the mean of its divisors is an integer number (1041738440610).

Almost surely, 2^{11221011202011} is an apocalyptic number.

11221011202011 is a deficient number, since it is larger than the sum of its proper divisors (5446803847749).

11221011202011 is a wasteful number, since it uses less digits than its factorization.

11221011202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921318526.

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

Adding to 11221011202011 its reverse (11020211012211), we get a palindrome (22241222214222).

The spelling of 11221011202011 in words is "eleven trillion, two hundred twenty-one billion, eleven million, two hundred two thousand, eleven".