11222101 has 16 divisors (see below), whose sum is σ = 12810240. Its totient is φ = 9737280.

The previous prime is 11222089. The next prime is 11222129. The reversal of 11222101 is 10122211.

It is a cyclic number.

It is not a de Polignac number, because 11222101 - 2¹⁵ = 11189333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40375 + ... + 40651.

It is an arithmetic number, because the mean of its divisors is an integer number (800640).

Almost surely, 2^11222101 is an apocalyptic number.

11222101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222101 is a deficient number, since it is larger than the sum of its proper divisors (1588139).

11222101 is a wasteful number, since it uses less digits than its factorization.

11222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11222101 is about 3349.9404472319. The cubic root of 11222101 is about 223.8848592458.

Adding to 11222101 its reverse (10122211), we get a palindrome (21344312).

It can be divided in two parts, 1122210 and 1, that added together give a palindrome (1122211).

The spelling of 11222101 in words is "eleven million, two hundred twenty-two thousand, one hundred one".