11032201111 has 4 divisors (see below), whose sum is σ = 11034275112. Its totient is φ = 11030127112.

The previous prime is 11032201109. The next prime is 11032201207. The reversal of 11032201111 is 11110223011.

It is a happy number.

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 11032201111 - 2¹ = 11032201109 is a prime.

It is a super-2 number, since 2×11032201111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11032201091 and 11032201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032261111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029001 + ... + 1039666.

It is an arithmetic number, because the mean of its divisors is an integer number (2758568778).

Almost surely, 2^11032201111 is an apocalyptic number.

11032201111 is a deficient number, since it is larger than the sum of its proper divisors (2074001).

11032201111 is an equidigital number, since it uses as much as digits as its factorization.

11032201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074000.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11032201111 its reverse (11110223011), we get a palindrome (22142424122).

The spelling of 11032201111 in words is "eleven billion, thirty-two million, two hundred one thousand, one hundred eleven".