1001201030121 has 8 divisors (see below), whose sum is σ = 1405194428320. Its totient is φ = 632337492672.

The previous prime is 1001201030077. The next prime is 1001201030129. The reversal of 1001201030121 is 1210301021001.

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

It is not a de Polignac number, because 1001201030121 - 2⁷ = 1001201029993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001201030097 and 1001201030106.

It is not an unprimeable number, because it can be changed into a prime (1001201030129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8782465120 + ... + 8782465233.

It is an arithmetic number, because the mean of its divisors is an integer number (175649303540).

Almost surely, 2^{1001201030121} is an apocalyptic number.

It is an amenable number.

1001201030121 is a deficient number, since it is larger than the sum of its proper divisors (403993398199).

1001201030121 is a wasteful number, since it uses less digits than its factorization.

1001201030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17564930375.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1001201030121 its reverse (1210301021001), we get a palindrome (2211502051122).

The spelling of 1001201030121 in words is "one trillion, one billion, two hundred one million, thirty thousand, one hundred twenty-one".