1113001332221 has 4 divisors (see below), whose sum is σ = 1114189168092. Its totient is φ = 1111813496352.

The previous prime is 1113001332199. The next prime is 1113001332229. The reversal of 1113001332221 is 1222331003111.

It is a happy number.

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 523906706596 + 589094625625 = 723814^2 + 767525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113001332221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113001332193 and 1113001332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113001332229) 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, 593916530 + ... + 593918403.

It is an arithmetic number, because the mean of its divisors is an integer number (278547292023).

Almost surely, 2^{1113001332221} is an apocalyptic number.

It is an amenable number.

1113001332221 is a deficient number, since it is larger than the sum of its proper divisors (1187835871).

1113001332221 is an equidigital number, since it uses as much as digits as its factorization.

1113001332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187835870.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1113001332221 its reverse (1222331003111), we get a palindrome (2335332335332).

The spelling of 1113001332221 in words is "one trillion, one hundred thirteen billion, one million, three hundred thirty-two thousand, two hundred twenty-one".