11222033331 has 4 divisors (see below), whose sum is σ = 14962711112. Its totient is φ = 7481355552.

The previous prime is 11222033323. The next prime is 11222033357. The reversal of 11222033331 is 13333022211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11222033331 - 2³ = 11222033323 is a prime.

It is a super-2 number, since 2×11222033331² (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 = 11222033298 and 11222033307.

It is not an unprimeable number, because it can be changed into a prime (11222033311) 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, 1870338886 + ... + 1870338891.

It is an arithmetic number, because the mean of its divisors is an integer number (3740677778).

Almost surely, 2^11222033331 is an apocalyptic number.

11222033331 is a deficient number, since it is larger than the sum of its proper divisors (3740677781).

11222033331 is an equidigital number, since it uses as much as digits as its factorization.

11222033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740677780.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11222033331 its reverse (13333022211), we get a palindrome (24555055542).

The spelling of 11222033331 in words is "eleven billion, two hundred twenty-two million, thirty-three thousand, three hundred thirty-one".