1101223331 has 16 divisors (see below), whose sum is σ = 1261008000. Its totient is φ = 952670208.

The previous prime is 1101223327. The next prime is 1101223339. The reversal of 1101223331 is 1333221011.

It is not a de Polignac number, because 1101223331 - 2² = 1101223327 is a prime.

It is a super-2 number, since 2×1101223331² = 2425385649477471122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101223339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42395 + ... + 63243.

It is an arithmetic number, because the mean of its divisors is an integer number (78813000).

Almost surely, 2^1101223331 is an apocalyptic number.

1101223331 is a deficient number, since it is larger than the sum of its proper divisors (159784669).

1101223331 is a wasteful number, since it uses less digits than its factorization.

1101223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21118.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1101223331 is about 33184.6851875982. The cubic root of 1101223331 is about 1032.6626464926.

Adding to 1101223331 its reverse (1333221011), we get a palindrome (2434444342).

It can be divided in two parts, 11012 and 23331, that added together give a palindrome (34343).

The spelling of 1101223331 in words is "one billion, one hundred one million, two hundred twenty-three thousand, three hundred thirty-one".