10121001000001 has 4 divisors (see below), whose sum is σ = 10121184343600. Its totient is φ = 10120817656404.

The previous prime is 10121000999971. The next prime is 10121001000049. The reversal of 10121001000001 is 10000010012101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10121001000001 - 2¹¹ = 10121000997953 is a prime.

It is a super-2 number, since 2×10121001000001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121001000701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91588971 + ... + 91699408.

It is an arithmetic number, because the mean of its divisors is an integer number (2530296085900).

Almost surely, 2^{10121001000001} is an apocalyptic number.

It is an amenable number.

10121001000001 is a deficient number, since it is larger than the sum of its proper divisors (183343599).

10121001000001 is an equidigital number, since it uses as much as digits as its factorization.

10121001000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183343598.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10121001000001 its reverse (10000010012101), we get a palindrome (20121011012102).

The spelling of 10121001000001 in words is "ten trillion, one hundred twenty-one billion, one million, one", and thus it is an aban number.