1122222231133 has 4 divisors (see below), whose sum is σ = 1143396235548. Its totient is φ = 1101048226720.

The previous prime is 1122222231121. The next prime is 1122222231199. The reversal of 1122222231133 is 3311322222211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1012716170244 + 109506060889 = 1006338^2 + 330917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122222231133 - 2²¹ = 1122220133981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122222231098 and 1122222231107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122222231833) 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, 10587002128 + ... + 10587002233.

It is an arithmetic number, because the mean of its divisors is an integer number (285849058887).

Almost surely, 2^{1122222231133} is an apocalyptic number.

It is an amenable number.

1122222231133 is a deficient number, since it is larger than the sum of its proper divisors (21174004415).

1122222231133 is an equidigital number, since it uses as much as digits as its factorization.

1122222231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21174004414.

The product of its digits is 1728, while the sum is 25.

Adding to 1122222231133 its reverse (3311322222211), we get a palindrome (4433544453344).

The spelling of 1122222231133 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred thirty-three".