10020300111 has 24 divisors (see below), whose sum is σ = 14675379264. Its totient is φ = 6587642880.

The previous prime is 10020300109. The next prime is 10020300119. The reversal of 10020300111 is 11100302001.

It is not a de Polignac number, because 10020300111 - 2¹ = 10020300109 is a prime.

It is a super-2 number, since 2×10020300111² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 10020300093 and 10020300102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020300119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224890 + ... + 265736.

It is an arithmetic number, because the mean of its divisors is an integer number (611474136).

Almost surely, 2^10020300111 is an apocalyptic number.

10020300111 is a deficient number, since it is larger than the sum of its proper divisors (4655079153).

10020300111 is a wasteful number, since it uses less digits than its factorization.

10020300111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41231 (or 41228 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10020300111 its reverse (11100302001), we get a palindrome (21120602112).

The spelling of 10020300111 in words is "ten billion, twenty million, three hundred thousand, one hundred eleven".