1122132331221 has 32 divisors (see below), whose sum is σ = 1704295296000. Its totient is φ = 650076873600.

The previous prime is 1122132331181. The next prime is 1122132331223. The reversal of 1122132331221 is 1221332312211.

It is not a de Polignac number, because 1122132331221 - 2¹³ = 1122132323029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122132331191 and 1122132331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122132331223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644601 + ... + 1630881.

It is an arithmetic number, because the mean of its divisors is an integer number (53259228000).

Almost surely, 2^{1122132331221} is an apocalyptic number.

1122132331221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122132331221 is a deficient number, since it is larger than the sum of its proper divisors (582162964779).

1122132331221 is a wasteful number, since it uses less digits than its factorization.

1122132331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987817.

The product of its digits is 864, while the sum is 24.

Adding to 1122132331221 its reverse (1221332312211), we get a palindrome (2343464643432).

The spelling of 1122132331221 in words is "one trillion, one hundred twenty-two billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty-one".