10021000111 has 8 divisors (see below), whose sum is σ = 10457919360. Its totient is φ = 9584182872.

The previous prime is 10021000091. The next prime is 10021000127. The reversal of 10021000111 is 11100012001.

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 10021000111 - 2¹³ = 10020991919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021000094 and 10021000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021000181) 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, 229696 + ... + 269818.

It is an arithmetic number, because the mean of its divisors is an integer number (1307239920).

Almost surely, 2^10021000111 is an apocalyptic number.

10021000111 is a deficient number, since it is larger than the sum of its proper divisors (436919249).

10021000111 is a wasteful number, since it uses less digits than its factorization.

10021000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51005.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10021000111 its reverse (11100012001), we get a palindrome (21121012112).

The spelling of 10021000111 in words is "ten billion, twenty-one million, one hundred eleven", and thus it is an aban number.