10002021010111 has 4 divisors (see below), whose sum is σ = 10771407241672. Its totient is φ = 9232634778552.

The previous prime is 10002021010099. The next prime is 10002021010127. The reversal of 10002021010111 is 11101012020001.

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

It is a cyclic number.

It is not a de Polignac number, because 10002021010111 - 2³⁹ = 9452265196223 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 (10002021010211) 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 3 ways as a sum of consecutive naturals, for example, 384693115761 + ... + 384693115786.

It is an arithmetic number, because the mean of its divisors is an integer number (2692851810418).

Almost surely, 2^{10002021010111} is an apocalyptic number.

10002021010111 is a deficient number, since it is larger than the sum of its proper divisors (769386231561).

10002021010111 is an equidigital number, since it uses as much as digits as its factorization.

10002021010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769386231560.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10002021010111 its reverse (11101012020001), we get a palindrome (21103033030112).

The spelling of 10002021010111 in words is "ten trillion, two billion, twenty-one million, ten thousand, one hundred eleven".