10201112111 has 4 divisors (see below), whose sum is σ = 10207946232. Its totient is φ = 10194277992.

The previous prime is 10201112081. The next prime is 10201112113. The reversal of 10201112111 is 11121110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10201112111 - 2¹⁴ = 10201095727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201112092 and 10201112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201112113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414821 + ... + 3417806.

It is an arithmetic number, because the mean of its divisors is an integer number (2551986558).

Almost surely, 2^10201112111 is an apocalyptic number.

10201112111 is a deficient number, since it is larger than the sum of its proper divisors (6834121).

10201112111 is an equidigital number, since it uses as much as digits as its factorization.

10201112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834120.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10201112111 its reverse (11121110201), we get a palindrome (21322222312).

The spelling of 10201112111 in words is "ten billion, two hundred one million, one hundred twelve thousand, one hundred eleven".