11220122022211 has 4 divisors (see below), whose sum is σ = 11247555083800. Its totient is φ = 11192688960624.

The previous prime is 11220122022203. The next prime is 11220122022269. The reversal of 11220122022211 is 11222022102211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11220122022211 - 2³ = 11220122022203 is a prime.

It is a super-2 number, since 2×11220122022211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220122022611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13716530181 + ... + 13716530998.

It is an arithmetic number, because the mean of its divisors is an integer number (2811888770950).

Almost surely, 2^{11220122022211} is an apocalyptic number.

11220122022211 is a deficient number, since it is larger than the sum of its proper divisors (27433061589).

11220122022211 is an equidigital number, since it uses as much as digits as its factorization.

11220122022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27433061588.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11220122022211 its reverse (11222022102211), we get a palindrome (22442144124422).

The spelling of 11220122022211 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, twenty-two thousand, two hundred eleven".