121201102001 has 8 divisors (see below), whose sum is σ = 138521064384. Its totient is φ = 103882519440.

The previous prime is 121201101961. The next prime is 121201102007. The reversal of 121201102001 is 100201102121.

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

It is not a de Polignac number, because 121201102001 - 2³⁴ = 104021232817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121201102007) 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, 149330 + ... + 514491.

It is an arithmetic number, because the mean of its divisors is an integer number (17315133048).

Almost surely, 2^121201102001 is an apocalyptic number.

It is an amenable number.

121201102001 is a deficient number, since it is larger than the sum of its proper divisors (17319962383).

121201102001 is an equidigital number, since it uses as much as digits as its factorization.

121201102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689911.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121201102001 its reverse (100201102121), we get a palindrome (221402204122).

The spelling of 121201102001 in words is "one hundred twenty-one billion, two hundred one million, one hundred two thousand, one".