1201001110121 has 8 divisors (see below), whose sum is σ = 1222391304000. Its totient is φ = 1179645391120.

The previous prime is 1201001110109. The next prime is 1201001110147. The reversal of 1201001110121 is 1210111001021.

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

It is not a de Polignac number, because 1201001110121 - 2²⁶ = 1200934001257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201001110171) 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, 8548421 + ... + 8687778.

It is an arithmetic number, because the mean of its divisors is an integer number (152798913000).

Almost surely, 2^{1201001110121} is an apocalyptic number.

It is an amenable number.

1201001110121 is a deficient number, since it is larger than the sum of its proper divisors (21390193879).

1201001110121 is a wasteful number, since it uses less digits than its factorization.

1201001110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17237439.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201001110121 its reverse (1210111001021), we get a palindrome (2411112111142).

The spelling of 1201001110121 in words is "one trillion, two hundred one billion, one million, one hundred ten thousand, one hundred twenty-one".