1121121120001 has 8 divisors (see below), whose sum is σ = 1151495805600. Its totient is φ = 1090890732960.

The previous prime is 1121121119999. The next prime is 1121121120019. The reversal of 1121121120001 is 1000211211211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121121120001 - 2¹ = 1121121119999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121121120601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36058891 + ... + 36089968.

It is an arithmetic number, because the mean of its divisors is an integer number (143936975700).

Almost surely, 2^{1121121120001} is an apocalyptic number.

It is an amenable number.

1121121120001 is a deficient number, since it is larger than the sum of its proper divisors (30374685599).

1121121120001 is an equidigital number, since it uses as much as digits as its factorization.

1121121120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72149279.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121121120001 its reverse (1000211211211), we get a palindrome (2121332331212).

The spelling of 1121121120001 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, one".