10021000002111 has 48 divisors (see below), whose sum is σ = 16932152174080. Its totient is φ = 5591517946560.

The previous prime is 10021000002071. The next prime is 10021000002121. The reversal of 10021000002111 is 11120000012001.

It is a happy number.

10021000002111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021000002111 - 2⁷ = 10021000001983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021000002093 and 10021000002102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021000002121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8984505 + ... + 10038093.

Almost surely, 2^{10021000002111} is an apocalyptic number.

10021000002111 is a deficient number, since it is larger than the sum of its proper divisors (6911152171969).

10021000002111 is a wasteful number, since it uses less digits than its factorization.

10021000002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057156 (or 1057153 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10021000002111 its reverse (11120000012001), we get a palindrome (21141000014112).

The spelling of 10021000002111 in words is "ten trillion, twenty-one billion, two thousand, one hundred eleven".