10020201111 has 12 divisors (see below), whose sum is σ = 14475434688. Its totient is φ = 6679298304.

The previous prime is 10020201077. The next prime is 10020201161. The reversal of 10020201111 is 11110202001.

It is a happy number.

It is not a de Polignac number, because 10020201111 - 2¹⁵ = 10020168343 is a prime.

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 = 10020201093 and 10020201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020201161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11226 + ... + 142008.

It is an arithmetic number, because the mean of its divisors is an integer number (1206286224).

Almost surely, 2^10020201111 is an apocalyptic number.

10020201111 is a deficient number, since it is larger than the sum of its proper divisors (4455233577).

10020201111 is a wasteful number, since it uses less digits than its factorization.

10020201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139302 (or 139299 counting only the distinct ones).

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

Adding to 10020201111 its reverse (11110202001), we get a palindrome (21130403112).

The spelling of 10020201111 in words is "ten billion, twenty million, two hundred one thousand, one hundred eleven".