10201122111 has 16 divisors (see below), whose sum is σ = 14047171200. Its totient is φ = 6579965088.

The previous prime is 10201122089. The next prime is 10201122149. The reversal of 10201122111 is 11122110201.

It is not a de Polignac number, because 10201122111 - 2⁶ = 10201122047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201122011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236841 + ... + 276578.

It is an arithmetic number, because the mean of its divisors is an integer number (877948200).

Almost surely, 2^10201122111 is an apocalyptic number.

10201122111 is a deficient number, since it is larger than the sum of its proper divisors (3846049089).

10201122111 is a wasteful number, since it uses less digits than its factorization.

10201122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513638.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10201122111 its reverse (11122110201), we get a palindrome (21323232312).

The spelling of 10201122111 in words is "ten billion, two hundred one million, one hundred twenty-two thousand, one hundred eleven".