1332221111 has 16 divisors (see below), whose sum is σ = 1548711360. Its totient is φ = 1135706880.

The previous prime is 1332221057. The next prime is 1332221113. The reversal of 1332221111 is 1111222331.

It is not a de Polignac number, because 1332221111 - 2²² = 1328026807 is a prime.

It is a super-3 number, since 3×1332221111³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1332221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332221113) 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, 68150 + ... + 85491.

It is an arithmetic number, because the mean of its divisors is an integer number (96794460).

Almost surely, 2^1332221111 is an apocalyptic number.

1332221111 is a deficient number, since it is larger than the sum of its proper divisors (216490249).

1332221111 is a wasteful number, since it uses less digits than its factorization.

1332221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153706.

The product of its digits is 72, while the sum is 17.

The square root of 1332221111 is about 36499.6042581286. The cubic root of 1332221111 is about 1100.3362913936.

Adding to 1332221111 its reverse (1111222331), we get a palindrome (2443443442).

The spelling of 1332221111 in words is "one billion, three hundred thirty-two million, two hundred twenty-one thousand, one hundred eleven".