10001000021101 has 8 divisors (see below), whose sum is σ = 10003155773184. Its totient is φ = 9998844520080.

The previous prime is 10001000021081. The next prime is 10001000021123. The reversal of 10001000021101 is 10112000010001.

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 10001000021101 - 2⁹ = 10001000020589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001000021191) 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, 94204416 + ... + 94310518.

It is an arithmetic number, because the mean of its divisors is an integer number (1250394471648).

Almost surely, 2^{10001000021101} is an apocalyptic number.

It is an amenable number.

10001000021101 is a deficient number, since it is larger than the sum of its proper divisors (2155752083).

10001000021101 is a wasteful number, since it uses less digits than its factorization.

10001000021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125531.

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

Adding to 10001000021101 its reverse (10112000010001), we get a palindrome (20113000031102).

The spelling of 10001000021101 in words is "ten trillion, one billion, twenty-one thousand, one hundred one".