11221022001111 has 16 divisors (see below), whose sum is σ = 16112539365216. Its totient is φ = 6905114603136.

The previous prime is 11221022001083. The next prime is 11221022001149. The reversal of 11221022001111 is 11110022012211.

It is a happy number.

It is not a de Polignac number, because 11221022001111 - 2⁶ = 11221022001047 is a prime.

It is a super-2 number, since 2×11221022001111² (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 (11221022001811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578160 + ... + 4772453.

It is an arithmetic number, because the mean of its divisors is an integer number (1007033710326).

Almost surely, 2^{11221022001111} is an apocalyptic number.

11221022001111 is a deficient number, since it is larger than the sum of its proper divisors (4891517364105).

11221022001111 is a wasteful number, since it uses less digits than its factorization.

11221022001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404402.

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

Adding to 11221022001111 its reverse (11110022012211), we get a palindrome (22331044013322).

It can be divided in two parts, 1122102 and 2001111, that added together give a palindrome (3123213).

The spelling of 11221022001111 in words is "eleven trillion, two hundred twenty-one billion, twenty-two million, one thousand, one hundred eleven".