10212120021001 has 8 divisors (see below), whose sum is σ = 10429489085184. Its totient is φ = 9994754703360.

The previous prime is 10212120020989. The next prime is 10212120021029. The reversal of 10212120021001 is 10012002121201.

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 10212120021001 - 2¹¹ = 10212120018953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212120021091) 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, 4964361 + ... + 6713353.

It is an arithmetic number, because the mean of its divisors is an integer number (1303686135648).

Almost surely, 2^{10212120021001} is an apocalyptic number.

It is an amenable number.

10212120021001 is a deficient number, since it is larger than the sum of its proper divisors (217369064183).

10212120021001 is a wasteful number, since it uses less digits than its factorization.

10212120021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873271.

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

Adding to 10212120021001 its reverse (10012002121201), we get a palindrome (20224122142202).

The spelling of 10212120021001 in words is "ten trillion, two hundred twelve billion, one hundred twenty million, twenty-one thousand, one".