10100021111021 has 8 divisors (see below), whose sum is σ = 10295766611424. Its totient is φ = 9904467427920.

The previous prime is 10100021111009. The next prime is 10100021111053. The reversal of 10100021111021 is 12011112000101.

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 10100021111021 - 2²⁶ = 10099954002157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10100021110993 and 10100021111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100021111221) 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 7 ways as a sum of consecutive naturals, for example, 47847995 + ... + 48058616.

It is an arithmetic number, because the mean of its divisors is an integer number (1286970826428).

Almost surely, 2^{10100021111021} is an apocalyptic number.

It is an amenable number.

10100021111021 is a deficient number, since it is larger than the sum of its proper divisors (195745500403).

10100021111021 is an equidigital number, since it uses as much as digits as its factorization.

10100021111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95908651.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10100021111021 its reverse (12011112000101), we get a palindrome (22111133111122).

The spelling of 10100021111021 in words is "ten trillion, one hundred billion, twenty-one million, one hundred eleven thousand, twenty-one".