10010020111 has 8 divisors (see below), whose sum is σ = 12320024864. Its totient is φ = 7920015840.

The previous prime is 10010020109. The next prime is 10010020117. The reversal of 10010020111 is 11102001001.

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 10010020111 - 2¹ = 10010020109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 10010020094 and 10010020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010020117) 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, 55000020 + ... + 55000201.

It is an arithmetic number, because the mean of its divisors is an integer number (1540003108).

Almost surely, 2^10010020111 is an apocalyptic number.

10010020111 is a deficient number, since it is larger than the sum of its proper divisors (2310004753).

10010020111 is a wasteful number, since it uses less digits than its factorization.

10010020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110000241.

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

Adding to 10010020111 its reverse (11102001001), we get a palindrome (21112021112).

The spelling of 10010020111 in words is "ten billion, ten million, twenty thousand, one hundred eleven".