121010210110001 has 8 divisors (see below), whose sum is σ = 124618967721600. Its totient is φ = 117453377068560.

The previous prime is 121010210109913. The next prime is 121010210110007. The reversal of 121010210110001 is 100011012010121.

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-121010210110001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010210110007) 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, 12981137810 + ... + 12981147131.

It is an arithmetic number, because the mean of its divisors is an integer number (15577370965200).

Almost surely, 2^{121010210110001} is an apocalyptic number.

It is an amenable number.

121010210110001 is a deficient number, since it is larger than the sum of its proper divisors (3608757611599).

121010210110001 is an equidigital number, since it uses as much as digits as its factorization.

121010210110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25962285079.

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

Adding to 121010210110001 its reverse (100011012010121), we get a palindrome (221021222120122).

The spelling of 121010210110001 in words is "one hundred twenty-one trillion, ten billion, two hundred ten million, one hundred ten thousand, one".