10021001100023 has 4 divisors (see below), whose sum is σ = 10456696800048. Its totient is φ = 9585305400000.

The previous prime is 10021001099971. The next prime is 10021001100113. The reversal of 10021001100023 is 32000110012001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021001100023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021001099977 and 10021001100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021001100623) 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, 217847849978 + ... + 217847850023.

It is an arithmetic number, because the mean of its divisors is an integer number (2614174200012).

Almost surely, 2^{10021001100023} is an apocalyptic number.

10021001100023 is a deficient number, since it is larger than the sum of its proper divisors (435695700025).

10021001100023 is an equidigital number, since it uses as much as digits as its factorization.

10021001100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435695700024.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10021001100023 its reverse (32000110012001), we get a palindrome (42021111112024).

The spelling of 10021001100023 in words is "ten trillion, twenty-one billion, one million, one hundred thousand, twenty-three".