10021122100021 has 8 divisors (see below), whose sum is σ = 10191025085760. Its totient is φ = 9851220896352.

The previous prime is 10021122099991. The next prime is 10021122100027. The reversal of 10021122100021 is 12000122112001.

10021122100021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021122100021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021122099974 and 10021122100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021122100027) 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, 15996921 + ... + 16611553.

It is an arithmetic number, because the mean of its divisors is an integer number (1273878135720).

Almost surely, 2^{10021122100021} is an apocalyptic number.

It is an amenable number.

10021122100021 is a deficient number, since it is larger than the sum of its proper divisors (169902985739).

10021122100021 is an equidigital number, since it uses as much as digits as its factorization.

10021122100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891035.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10021122100021 its reverse (12000122112001), we get a palindrome (22021244212022).

The spelling of 10021122100021 in words is "ten trillion, twenty-one billion, one hundred twenty-two million, one hundred thousand, twenty-one".