1113321212001 has 20 divisors (see below), whose sum is σ = 1735418574912. Its totient is φ = 709943960088.

The previous prime is 1113321211991. The next prime is 1113321212033. The reversal of 1113321212001 is 1002121233111.

1113321212001 is a `hidden beast` number, since 1 + 11 + 332 + 121 + 200 + 1 = 666.

It is not a de Polignac number, because 1113321212001 - 2⁹ = 1113321211489 is a prime.

It is a super-3 number, since 3×1113321212001³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113321212041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 298796101 + ... + 298799826.

Almost surely, 2^{1113321212001} is an apocalyptic number.

It is an amenable number.

1113321212001 is a deficient number, since it is larger than the sum of its proper divisors (622097362911).

1113321212001 is an equidigital number, since it uses as much as digits as its factorization.

1113321212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597595962 (or 597595953 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1113321212001 its reverse (1002121233111), we get a palindrome (2115442445112).

The spelling of 1113321212001 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, two hundred twelve thousand, one".