10121002102001 has 32 divisors (see below), whose sum is σ = 11856875931648. Its totient is φ = 8458362702720.

The previous prime is 10121002101997. The next prime is 10121002102033. The reversal of 10121002102001 is 10020120012101.

It is not a de Polignac number, because 10121002102001 - 2² = 10121002101997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121002102091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405590141 + ... + 405615093.

It is an arithmetic number, because the mean of its divisors is an integer number (370527372864).

Almost surely, 2^{10121002102001} is an apocalyptic number.

It is an amenable number.

10121002102001 is a deficient number, since it is larger than the sum of its proper divisors (1735873829647).

10121002102001 is a wasteful number, since it uses less digits than its factorization.

10121002102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27341.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121002102001 its reverse (10020120012101), we get a palindrome (20141122114102).

The spelling of 10121002102001 in words is "ten trillion, one hundred twenty-one billion, two million, one hundred two thousand, one".