10212001020121 has 8 divisors (see below), whose sum is σ = 10251237854088. Its totient is φ = 10172784720000.

The previous prime is 10212001020101. The next prime is 10212001020149. The reversal of 10212001020121 is 12102010021201.

10212001020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 505754234896 + 9706246785225 = 711164^2 + 3115485^2 .

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 10212001020121 - 2¹¹ = 10212001018073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212001020101) 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, 4136530 + ... + 6126571.

It is an arithmetic number, because the mean of its divisors is an integer number (1281404731761).

Almost surely, 2^{10212001020121} is an apocalyptic number.

It is an amenable number.

10212001020121 is a deficient number, since it is larger than the sum of its proper divisors (39236833967).

10212001020121 is a wasteful number, since it uses less digits than its factorization.

10212001020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10266923.

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

Adding to 10212001020121 its reverse (12102010021201), we get a palindrome (22314011041322).

The spelling of 10212001020121 in words is "ten trillion, two hundred twelve billion, one million, twenty thousand, one hundred twenty-one".