1001121303101 has 8 divisors (see below), whose sum is σ = 1029792568224. Its totient is φ = 972845503920.

The previous prime is 1001121303029. The next prime is 1001121303103. The reversal of 1001121303101 is 1013031211001.

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 a de Polignac number, because none of the positive numbers 2^k-1001121303101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001121303103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98861351 + ... + 98871476.

It is an arithmetic number, because the mean of its divisors is an integer number (128724071028).

Almost surely, 2^{1001121303101} is an apocalyptic number.

It is an amenable number.

1001121303101 is a deficient number, since it is larger than the sum of its proper divisors (28671265123).

1001121303101 is an equidigital number, since it uses as much as digits as its factorization.

1001121303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197732971.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1001121303101 its reverse (1013031211001), we get a palindrome (2014152514102).

The spelling of 1001121303101 in words is "one trillion, one billion, one hundred twenty-one million, three hundred three thousand, one hundred one".