11220210111 has 8 divisors (see below), whose sum is σ = 16320305664. Its totient is φ = 6800127320.

The previous prime is 11220210073. The next prime is 11220210119. The reversal of 11220210111 is 11101202211.

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 11220210111 - 2⁷ = 11220209983 is a prime.

It is a super-2 number, since 2×11220210111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220210119) 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, 170003151 + ... + 170003216.

It is an arithmetic number, because the mean of its divisors is an integer number (2040038208).

Almost surely, 2^11220210111 is an apocalyptic number.

11220210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220210111 is a deficient number, since it is larger than the sum of its proper divisors (5100095553).

11220210111 is a wasteful number, since it uses less digits than its factorization.

11220210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340006381.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11220210111 its reverse (11101202211), we get a palindrome (22321412322).

The spelling of 11220210111 in words is "eleven billion, two hundred twenty million, two hundred ten thousand, one hundred eleven".