10100021100001 has 4 divisors (see below), whose sum is σ = 11542881257152. Its totient is φ = 8657160942852.

The previous prime is 10100021099983. The next prime is 10100021100023. The reversal of 10100021100001 is 10000112000101.

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 10100021100001 - 2³¹ = 10097873616353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 1442860157143 = 10100021100001 / (1 + 0 + 1 + 0 + 0 + 0 + 2 + 1 + 1 + 0 + 0 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (10100021100041) 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, 721430078565 + ... + 721430078578.

It is an arithmetic number, because the mean of its divisors is an integer number (2885720314288).

Almost surely, 2^{10100021100001} is an apocalyptic number.

It is an amenable number.

10100021100001 is a deficient number, since it is larger than the sum of its proper divisors (1442860157151).

10100021100001 is an equidigital number, since it uses as much as digits as its factorization.

10100021100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442860157150.

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

Adding to 10100021100001 its reverse (10000112000101), we get a palindrome (20100133100102).

The spelling of 10100021100001 in words is "ten trillion, one hundred billion, twenty-one million, one hundred thousand, one".