11220122120111 has 8 divisors (see below), whose sum is σ = 11353478090304. Its totient is φ = 11087127060480.

The previous prime is 11220122120107. The next prime is 11220122120153. The reversal of 11220122120111 is 11102122102211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220122120111 - 2² = 11220122120107 is a prime.

It is a super-2 number, since 2×11220122120111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220122120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220122120191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90165095 + ... + 90289448.

It is an arithmetic number, because the mean of its divisors is an integer number (1419184761288).

Almost surely, 2^{11220122120111} is an apocalyptic number.

11220122120111 is a deficient number, since it is larger than the sum of its proper divisors (133355970193).

11220122120111 is an equidigital number, since it uses as much as digits as its factorization.

11220122120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180455281.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11220122120111 its reverse (11102122102211), we get a palindrome (22322244222322).

The spelling of 11220122120111 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty thousand, one hundred eleven".