10121210202001 has 8 divisors (see below), whose sum is σ = 10173760444584. Its totient is φ = 10068671813760.

The previous prime is 10121210201959. The next prime is 10121210202007. The reversal of 10121210202001 is 10020201212101.

It can be written as a sum of positive squares in 4 ways, for example, as 8056083128976 + 2065127073025 = 2838324^2 + 1437055^2 .

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 10121210202001 - 2¹¹ = 10121210199953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121210202007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248990 + ... + 4669303.

It is an arithmetic number, because the mean of its divisors is an integer number (1271720055573).

Almost surely, 2^{10121210202001} is an apocalyptic number.

It is an amenable number.

10121210202001 is a deficient number, since it is larger than the sum of its proper divisors (52550242583).

10121210202001 is an equidigital number, since it uses as much as digits as its factorization.

10121210202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927171.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10121210202001 its reverse (10020201212101), we get a palindrome (20141411414102).

The spelling of 10121210202001 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, two hundred two thousand, one".