11220110031 has 8 divisors (see below), whose sum is σ = 16110927280. Its totient is φ = 6904683072.

The previous prime is 11220110009. The next prime is 11220110059. The reversal of 11220110031 is 13001102211.

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

It is not a de Polignac number, because 11220110031 - 2⁹ = 11220109519 is a prime.

It is a super-2 number, since 2×11220110031² (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 = 11220109989 and 11220110016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220110081) 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, 143847526 + ... + 143847603.

It is an arithmetic number, because the mean of its divisors is an integer number (2013865910).

Almost surely, 2^11220110031 is an apocalyptic number.

11220110031 is a deficient number, since it is larger than the sum of its proper divisors (4890817249).

11220110031 is a wasteful number, since it uses less digits than its factorization.

11220110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287695145.

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

Adding to 11220110031 its reverse (13001102211), we get a palindrome (24221212242).

The spelling of 11220110031 in words is "eleven billion, two hundred twenty million, one hundred ten thousand, thirty-one".