11222200031 has 4 divisors (see below), whose sum is σ = 12825371472. Its totient is φ = 9619028592.

The previous prime is 11222200027. The next prime is 11222200037. The reversal of 11222200031 is 13000222211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13000222211 = 88523 ⋅146857.

It is a cyclic number.

It is not a de Polignac number, because 11222200031 - 2² = 11222200027 is a prime.

It is a super-2 number, since 2×11222200031² (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 = 11222199979 and 11222200015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222200037) 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, 801585710 + ... + 801585723.

It is an arithmetic number, because the mean of its divisors is an integer number (3206342868).

Almost surely, 2^11222200031 is an apocalyptic number.

11222200031 is a deficient number, since it is larger than the sum of its proper divisors (1603171441).

11222200031 is an equidigital number, since it uses as much as digits as its factorization.

11222200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603171440.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11222200031 its reverse (13000222211), we get a palindrome (24222422242).

The spelling of 11222200031 in words is "eleven billion, two hundred twenty-two million, two hundred thousand, thirty-one".