1121201021001 has 8 divisors (see below), whose sum is σ = 1543158394624. Its totient is φ = 723355497360.

The previous prime is 1121201020981. The next prime is 1121201021033. The reversal of 1121201021001 is 1001201021211.

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

It is not a de Polignac number, because 1121201021001 - 2⁷ = 1121201020873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121201021041) 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, 6027962386 + ... + 6027962571.

It is an arithmetic number, because the mean of its divisors is an integer number (192894799328).

Almost surely, 2^{1121201021001} is an apocalyptic number.

It is an amenable number.

1121201021001 is a deficient number, since it is larger than the sum of its proper divisors (421957373623).

1121201021001 is a wasteful number, since it uses less digits than its factorization.

1121201021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12055924991.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121201021001 its reverse (1001201021211), we get a palindrome (2122402042212).

The spelling of 1121201021001 in words is "one trillion, one hundred twenty-one billion, two hundred one million, twenty-one thousand, one".