121010020001 has 8 divisors (see below), whose sum is σ = 130348661184. Its totient is φ = 111675690000.

The previous prime is 121010019983. The next prime is 121010020003. The reversal of 121010020001 is 100020010121.

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

It is a cyclic number.

It is not a de Polignac number, because 121010020001 - 2¹⁴ = 121010003617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019375 + ... + 1131876.

It is an arithmetic number, because the mean of its divisors is an integer number (16293582648).

Almost surely, 2^121010020001 is an apocalyptic number.

It is an amenable number.

121010020001 is a deficient number, since it is larger than the sum of its proper divisors (9338641183).

121010020001 is a wasteful number, since it uses less digits than its factorization.

121010020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155591.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 121010020001 its reverse (100020010121), we get a palindrome (221030030122).

The spelling of 121010020001 in words is "one hundred twenty-one billion, ten million, twenty thousand, one".