1121133212001 has 48 divisors (see below), whose sum is σ = 1778014592640. Its totient is φ = 675106978560.

The previous prime is 1121133211997. The next prime is 1121133212011. The reversal of 1121133212001 is 1002123311211.

1121133212001 is a `hidden beast` number, since 1 + 1 + 211 + 332 + 120 + 0 + 1 = 666.

It is not a de Polignac number, because 1121133212001 - 2² = 1121133211997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121133212011) 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 47 ways as a sum of consecutive naturals, for example, 14452045 + ... + 14529413.

It is an arithmetic number, because the mean of its divisors is an integer number (37041970680).

Almost surely, 2^{1121133212001} is an apocalyptic number.

1121133212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121133212001 is a deficient number, since it is larger than the sum of its proper divisors (656881380639).

1121133212001 is a wasteful number, since it uses less digits than its factorization.

1121133212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78326 (or 78323 counting only the distinct ones).

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

Adding to 1121133212001 its reverse (1002123311211), we get a palindrome (2123256523212).

The spelling of 1121133212001 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-three million, two hundred twelve thousand, one".