1121201010001 has 8 divisors (see below), whose sum is σ = 1129076553024. Its totient is φ = 1113339297840.

The previous prime is 1121201009983. The next prime is 1121201010019. The reversal of 1121201010001 is 1000101021211.

It is an interprime number because it is at equal distance from previous prime (1121201009983) and next prime (1121201010019).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121201010001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121201010001.

It is not an unprimeable number, because it can be changed into a prime (1121201310001) 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 7 ways as a sum of consecutive naturals, for example, 3294990 + ... + 3619303.

It is an arithmetic number, because the mean of its divisors is an integer number (141134569128).

Almost surely, 2^{1121201010001} is an apocalyptic number.

It is an amenable number.

1121201010001 is a deficient number, since it is larger than the sum of its proper divisors (7875543023).

1121201010001 is an equidigital number, since it uses as much as digits as its factorization.

1121201010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915431.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1121201010001 its reverse (1000101021211), we get a palindrome (2121302031212).

The spelling of 1121201010001 in words is "one trillion, one hundred twenty-one billion, two hundred one million, ten thousand, one".