11220212022111 has 24 divisors (see below), whose sum is σ = 16467915050496. Its totient is φ = 7360125428880.

The previous prime is 11220212022049. The next prime is 11220212022163. The reversal of 11220212022111 is 11122021202211.

11220212022111 is a `hidden beast` number, since 1 + 1 + 220 + 212 + 0 + 221 + 11 = 666.

11220212022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11220212022111 - 2⁴³ = 2424118999903 is a prime.

It is a super-2 number, since 2×11220212022111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220212022311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17132875 + ... + 17775708.

It is an arithmetic number, because the mean of its divisors is an integer number (686163127104).

Almost surely, 2^{11220212022111} is an apocalyptic number.

11220212022111 is a deficient number, since it is larger than the sum of its proper divisors (5247703028385).

11220212022111 is a wasteful number, since it uses less digits than its factorization.

11220212022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34909163 (or 34909160 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11220212022111 its reverse (11122021202211), we get a palindrome (22342233224322).

The spelling of 11220212022111 in words is "eleven trillion, two hundred twenty billion, two hundred twelve million, twenty-two thousand, one hundred eleven".